498 lines
15 KiB
LLVM
498 lines
15 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-eabi -mattr=+mte | FileCheck %s
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; test create_tag
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define i32* @create_tag(i32* %ptr, i32 %m) {
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entry:
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; CHECK-LABEL: create_tag:
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%0 = bitcast i32* %ptr to i8*
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%1 = zext i32 %m to i64
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%2 = tail call i8* @llvm.aarch64.irg(i8* %0, i64 %1)
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%3 = bitcast i8* %2 to i32*
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ret i32* %3
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;CHECK: irg x0, x0, {{x[0-9]+}}
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}
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; *********** __arm_mte_increment_tag *************
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; test increment_tag1
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define i32* @increment_tag1(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag1:
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%0 = bitcast i32* %ptr to i8*
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%1 = tail call i8* @llvm.aarch64.addg(i8* %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: addg x0, x0, #0, #7
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}
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%struct.S2K = type { [512 x i32] }
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define i32* @increment_tag1stack(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag1stack:
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%s = alloca %struct.S2K, align 4
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%0 = bitcast %struct.S2K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2048, i8* nonnull %0)
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%1 = call i8* @llvm.aarch64.addg(i8* nonnull %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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call void @llvm.lifetime.end.p0i8(i64 2048, i8* nonnull %0)
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ret i32* %2
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; CHECK: addg x0, sp, #0, #7
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}
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define i32* @increment_tag2(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag2:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 4
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.addg(i8* nonnull %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: addg x0, x0, #16, #7
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}
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define i32* @increment_tag2stack(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag2stack:
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%s = alloca %struct.S2K, align 4
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%0 = bitcast %struct.S2K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2048, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S2K, %struct.S2K* %s, i64 0, i32 0, i64 4
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.addg(i8* nonnull %1, i64 7)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 2048, i8* nonnull %0)
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ret i32* %3
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; CHECK: addg x0, sp, #16, #7
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}
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define i32* @increment_tag3(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag3:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 252
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.addg(i8* nonnull %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: addg x0, x0, #1008, #7
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}
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define i32* @increment_tag3stack(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag3stack:
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%s = alloca %struct.S2K, align 4
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%0 = bitcast %struct.S2K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2048, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S2K, %struct.S2K* %s, i64 0, i32 0, i64 252
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.addg(i8* nonnull %1, i64 7)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 2048, i8* nonnull %0)
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ret i32* %3
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; CHECK: addg x0, sp, #1008, #7
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}
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define i32* @increment_tag4(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag4:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 256
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.addg(i8* nonnull %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add [[T0:x[0-9]+]], x0, #1024
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; CHECK-NEXT: addg x0, [[T0]], #0, #7
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}
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define i32* @increment_tag4stack(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag4stack:
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%s = alloca %struct.S2K, align 4
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%0 = bitcast %struct.S2K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2048, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S2K, %struct.S2K* %s, i64 0, i32 0, i64 256
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.addg(i8* nonnull %1, i64 7)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 2048, i8* nonnull %0)
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ret i32* %3
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; CHECK: add [[T0:x[0-9]+]], {{.*}}, #1024
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; CHECK-NEXT: addg x0, [[T0]], #0, #7
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}
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define i32* @increment_tag5(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag5:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 5
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.addg(i8* nonnull %0, i64 7)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add [[T0:x[0-9]+]], x0, #20
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; CHECK-NEXT: addg x0, [[T0]], #0, #7
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}
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define i32* @increment_tag5stack(i32* %ptr) {
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entry:
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; CHECK-LABEL: increment_tag5stack:
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%s = alloca %struct.S2K, align 4
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%0 = bitcast %struct.S2K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2048, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S2K, %struct.S2K* %s, i64 0, i32 0, i64 5
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.addg(i8* nonnull %1, i64 7)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 2048, i8* nonnull %0)
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ret i32* %3
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; CHECK: add [[T0:x[0-9]+]], {{.*}}, #20
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; CHECK-NEXT: addg x0, [[T0]], #0, #7
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}
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; *********** __arm_mte_exclude_tag *************
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; test exclude_tag
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define i32 @exclude_tag(i32* %ptr, i32 %m) local_unnamed_addr #0 {
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entry:
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;CHECK-LABEL: exclude_tag:
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%0 = zext i32 %m to i64
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%1 = bitcast i32* %ptr to i8*
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%2 = tail call i64 @llvm.aarch64.gmi(i8* %1, i64 %0)
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%conv = trunc i64 %2 to i32
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ret i32 %conv
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; CHECK: gmi x0, x0, {{x[0-9]+}}
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}
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; *********** __arm_mte_get_tag *************
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%struct.S8K = type { [2048 x i32] }
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define i32* @get_tag1(i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag1:
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%0 = bitcast i32* %ptr to i8*
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%1 = tail call i8* @llvm.aarch64.ldg(i8* %0, i8* %0)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: ldg x0, [x0]
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}
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define i32* @get_tag1_two_parm(i32* %ret_ptr, i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag1_two_parm:
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%0 = bitcast i32* %ret_ptr to i8*
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%1 = bitcast i32* %ptr to i8*
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%2 = tail call i8* @llvm.aarch64.ldg(i8* %0, i8* %1)
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%3 = bitcast i8* %2 to i32*
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ret i32* %3
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; CHECK: ldg x0, [x1]
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}
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define i32* @get_tag1stack() {
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entry:
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; CHECK-LABEL: get_tag1stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%1 = call i8* @llvm.aarch64.ldg(i8* nonnull %0, i8* nonnull %0)
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%2 = bitcast i8* %1 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %2
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; CHECK: mov [[T0:x[0-9]+]], sp
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; CHECK: ldg [[T0]], [sp]
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}
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define i32* @get_tag1stack_two_param(i32* %ret_ptr) {
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entry:
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; CHECK-LABEL: get_tag1stack_two_param:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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%1 = bitcast i32* %ret_ptr to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%2 = call i8* @llvm.aarch64.ldg(i8* nonnull %1, i8* nonnull %0)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %3
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; CHECK-NOT: mov {{.*}}, sp
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; CHECK: ldg x0, [sp]
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}
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define i32* @get_tag2(i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag2:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 4
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.ldg(i8* nonnull %0, i8* nonnull %0)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add [[T0:x[0-9]+]], x0, #16
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; CHECK: ldg [[T0]], [x0, #16]
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}
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define i32* @get_tag2stack() {
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entry:
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; CHECK-LABEL: get_tag2stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 4
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.ldg(i8* nonnull %1, i8* nonnull %1)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %3
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; CHECK: mov [[T0:x[0-9]+]], sp
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; CHECK: add x0, [[T0]], #16
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; CHECK: ldg x0, [sp, #16]
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}
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define i32* @get_tag3(i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag3:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 1020
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.ldg(i8* nonnull %0, i8* nonnull %0)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add [[T0:x[0-8]+]], x0, #4080
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; CHECK: ldg [[T0]], [x0, #4080]
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}
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define i32* @get_tag3stack() {
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entry:
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; CHECK-LABEL: get_tag3stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 1020
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.ldg(i8* nonnull %1, i8* nonnull %1)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %3
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; CHECK: mov [[T0:x[0-9]+]], sp
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; CHECK: add x0, [[T0]], #4080
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; CHECK: ldg x0, [sp, #4080]
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}
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define i32* @get_tag4(i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag4:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 1024
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.ldg(i8* nonnull %0, i8* nonnull %0)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add x0, x0, #1, lsl #12
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; CHECK-NEXT: ldg x0, [x0]
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}
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define i32* @get_tag4stack() {
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entry:
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; CHECK-LABEL: get_tag4stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 1024
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.ldg(i8* nonnull %1, i8* nonnull %1)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %3
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; CHECK: mov [[T0:x[0-9]+]], sp
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; CHECK-NEXT: add x[[T1:[0-9]+]], [[T0]], #1, lsl #12
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; CHECK-NEXT: ldg x[[T1]], [x[[T1]]]
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}
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define i32* @get_tag5(i32* %ptr) {
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entry:
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; CHECK-LABEL: get_tag5:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 5
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%0 = bitcast i32* %add.ptr to i8*
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%1 = tail call i8* @llvm.aarch64.ldg(i8* nonnull %0, i8* nonnull %0)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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; CHECK: add x0, x0, #20
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; CHECK-NEXT: ldg x0, [x0]
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}
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define i32* @get_tag5stack() {
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entry:
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; CHECK-LABEL: get_tag5stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 5
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%1 = bitcast i32* %arrayidx to i8*
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%2 = call i8* @llvm.aarch64.ldg(i8* nonnull %1, i8* nonnull %1)
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%3 = bitcast i8* %2 to i32*
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret i32* %3
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; CHECK: mov [[T0:x[0-9]+]], sp
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; CHECK: add x[[T1:[0-9]+]], [[T0]], #20
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; CHECK-NEXT: ldg x[[T1]], [x[[T1]]]
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}
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; *********** __arm_mte_set_tag *************
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define void @set_tag1(i32* %tag, i32* %ptr) {
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entry:
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; CHECK-LABEL: set_tag1:
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%0 = bitcast i32* %tag to i8*
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%1 = bitcast i32* %ptr to i8*
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tail call void @llvm.aarch64.stg(i8* %0, i8* %1)
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ret void
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; CHECK: stg x0, [x1]
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}
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define void @set_tag1stack(i32* %tag) {
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entry:
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; CHECK-LABEL: set_tag1stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast i32* %tag to i8*
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%1 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %1)
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call void @llvm.aarch64.stg(i8* %0, i8* nonnull %1)
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call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
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ret void
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; CHECK: stg x0, [sp]
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}
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define void @set_tag2(i32* %tag, i32* %ptr) {
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entry:
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; CHECK-LABEL: set_tag2:
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%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 4
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%0 = bitcast i32* %tag to i8*
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%1 = bitcast i32* %add.ptr to i8*
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tail call void @llvm.aarch64.stg(i8* %0, i8* %1)
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ret void
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; CHECK: stg x0, [x1, #16]
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}
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define void @set_tag2stack(i32* %tag, i32* %ptr) {
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entry:
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; CHECK-LABEL: set_tag2stack:
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%s = alloca %struct.S8K, align 4
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%0 = bitcast %struct.S8K* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
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%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 4
|
|
%1 = bitcast i32* %arrayidx to i8*
|
|
%2 = bitcast i32* %tag to i8*
|
|
call void @llvm.aarch64.stg(i8* %2, i8* nonnull %1)
|
|
call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
|
|
ret void
|
|
; CHECK: stg x0, [sp, #16]
|
|
}
|
|
|
|
|
|
|
|
define void @set_tag3(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag3:
|
|
%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 1020
|
|
%0 = bitcast i32* %add.ptr to i8*
|
|
%1 = bitcast i32* %tag to i8*
|
|
tail call void @llvm.aarch64.stg(i8* %1, i8* %0)
|
|
ret void
|
|
; CHECK: stg x0, [x1, #4080]
|
|
}
|
|
|
|
define void @set_tag3stack(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag3stack:
|
|
%s = alloca %struct.S8K, align 4
|
|
%0 = bitcast %struct.S8K* %s to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
|
|
%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 1020
|
|
%1 = bitcast i32* %arrayidx to i8*
|
|
%2 = bitcast i32* %tag to i8*
|
|
call void @llvm.aarch64.stg(i8* %2, i8* nonnull %1)
|
|
call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
|
|
ret void
|
|
; CHECK: stg x0, [sp, #4080]
|
|
}
|
|
|
|
|
|
|
|
define void @set_tag4(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag4:
|
|
%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 1024
|
|
%0 = bitcast i32* %add.ptr to i8*
|
|
%1 = bitcast i32* %tag to i8*
|
|
tail call void @llvm.aarch64.stg(i8* %1, i8* %0)
|
|
ret void
|
|
; CHECK: add x[[T0:[0-9]+]], x1, #1, lsl #12
|
|
; CHECK-NEXT: stg x0, [x[[T0]]]
|
|
}
|
|
|
|
define void @set_tag4stack(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag4stack:
|
|
%s = alloca %struct.S8K, align 4
|
|
%0 = bitcast %struct.S8K* %s to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
|
|
%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 1024
|
|
%1 = bitcast i32* %arrayidx to i8*
|
|
%2 = bitcast i32* %tag to i8*
|
|
call void @llvm.aarch64.stg(i8* %2, i8* nonnull %1)
|
|
call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
|
|
ret void
|
|
; CHECK: add x[[T0:[0-9]+]], {{.*}}, #1, lsl #12
|
|
; CHECK-NEXT: stg x0, [x[[T0]]]
|
|
}
|
|
|
|
|
|
define void @set_tag5(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag5:
|
|
%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 5
|
|
%0 = bitcast i32* %add.ptr to i8*
|
|
%1 = bitcast i32* %tag to i8*
|
|
tail call void @llvm.aarch64.stg(i8* %1, i8* %0)
|
|
ret void
|
|
; CHECK: add x[[T0:[0-9]+]], x1, #20
|
|
; CHECK-NEXT: stg x0, [x[[T0]]]
|
|
}
|
|
|
|
define void @set_tag5stack(i32* %tag, i32* %ptr) {
|
|
entry:
|
|
; CHECK-LABEL: set_tag5stack:
|
|
%s = alloca %struct.S8K, align 4
|
|
%0 = bitcast %struct.S8K* %s to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 8192, i8* nonnull %0)
|
|
%arrayidx = getelementptr inbounds %struct.S8K, %struct.S8K* %s, i64 0, i32 0, i64 5
|
|
%1 = bitcast i32* %arrayidx to i8*
|
|
%2 = bitcast i32* %tag to i8*
|
|
call void @llvm.aarch64.stg(i8* %2, i8* nonnull %1)
|
|
call void @llvm.lifetime.end.p0i8(i64 8192, i8* nonnull %0)
|
|
ret void
|
|
; CHECK: add x[[T0:[0-9]+]], {{.*}}, #20
|
|
; CHECK-NEXT: stg x0, [x[[T0]]]
|
|
}
|
|
|
|
|
|
; *********** __arm_mte_ptrdiff *************
|
|
define i64 @subtract_pointers(i32* %ptra, i32* %ptrb) {
|
|
entry:
|
|
; CHECK-LABEL: subtract_pointers:
|
|
%0 = bitcast i32* %ptra to i8*
|
|
%1 = bitcast i32* %ptrb to i8*
|
|
%2 = tail call i64 @llvm.aarch64.subp(i8* %0, i8* %1)
|
|
ret i64 %2
|
|
; CHECK: subp x0, x0, x1
|
|
}
|
|
|
|
declare i8* @llvm.aarch64.irg(i8*, i64)
|
|
declare i8* @llvm.aarch64.addg(i8*, i64)
|
|
declare i64 @llvm.aarch64.gmi(i8*, i64)
|
|
declare i8* @llvm.aarch64.ldg(i8*, i8*)
|
|
declare void @llvm.aarch64.stg(i8*, i8*)
|
|
declare i64 @llvm.aarch64.subp(i8*, i8*)
|
|
|
|
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
|
|
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
|