67 lines
2.6 KiB
LLVM
67 lines
2.6 KiB
LLVM
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; RUN: llc < %s -mtriple=ve | FileCheck %s
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%struct.data = type { [4 x i8] }
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;;; Check basic usage of rri format load instructions.
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;;; Our target is DAG selection mechanism for LD1BSXrri.
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;;; We prepared following three styles.
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;;; 1. LD1BSXrri with %reg1 + %reg2
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;;; 2. LD1BSXrri with %frame-index + %reg
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;;; 3. LD1BSXrri with %reg + %frame-index
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; Function Attrs: norecurse nounwind readonly
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define signext i8 @func_rr(%struct.data* nocapture readonly %0, i32 signext %1) {
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; CHECK-LABEL: func_rr:
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; CHECK: # %bb.0:
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; CHECK-NEXT: sll %s1, %s1, 2
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; CHECK-NEXT: ld1b.sx %s0, (%s1, %s0)
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; CHECK-NEXT: b.l.t (, %s10)
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%3 = sext i32 %1 to i64
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%4 = getelementptr inbounds %struct.data, %struct.data* %0, i64 %3, i32 0, i64 0
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%5 = load i8, i8* %4, align 1
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ret i8 %5
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}
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; Function Attrs: nounwind
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define signext i8 @func_fr(%struct.data* readonly %0, i32 signext %1) {
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; CHECK-LABEL: func_fr:
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; CHECK: .LBB{{[0-9]+}}_2:
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; CHECK-NEXT: sll %s1, %s1, 2
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; CHECK-NEXT: ldl.sx %s0, (%s1, %s0)
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; CHECK-NEXT: stl %s0, 8(%s1, %s11)
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; CHECK-NEXT: ld1b.sx %s0, 8(%s1, %s11)
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; CHECK-NEXT: adds.l %s11, 48, %s11
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; CHECK-NEXT: b.l.t (, %s10)
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%3 = alloca [10 x %struct.data], align 1
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%4 = getelementptr inbounds [10 x %struct.data], [10 x %struct.data]* %3, i64 0, i64 0, i32 0, i64 0
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call void @llvm.lifetime.start.p0i8(i64 40, i8* nonnull %4)
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%5 = sext i32 %1 to i64
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%6 = getelementptr inbounds [10 x %struct.data], [10 x %struct.data]* %3, i64 0, i64 %5, i32 0, i64 0
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%7 = getelementptr inbounds %struct.data, %struct.data* %0, i64 %5, i32 0, i64 0
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %6, i8* align 1 %7, i64 4, i1 true)
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%8 = load volatile i8, i8* %6, align 1
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call void @llvm.lifetime.end.p0i8(i64 40, i8* nonnull %4)
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ret i8 %8
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}
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg)
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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%"basic_string" = type { %union.anon.3, [23 x i8] }
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%union.anon.3 = type { i8 }
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define signext i8 @func_rf(i8* readonly %0, i64 %1, i32 signext %2) {
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; CHECK-LABEL: func_rf:
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; CHECK: .LBB{{[0-9]+}}_2:
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; CHECK-NEXT: ld1b.sx %s0, 8(%s1, %s11)
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; CHECK-NEXT: adds.l %s11, 32, %s11
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; CHECK-NEXT: b.l.t (, %s10)
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%buf = alloca %"basic_string", align 8
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%sub631 = add nsw i64 %1, -1
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%add.ptr.i = getelementptr inbounds %"basic_string", %"basic_string"* %buf, i64 0, i32 1, i64 %sub631
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%ret = load i8, i8* %add.ptr.i, align 1
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ret i8 %ret
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}
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