117 lines
4.7 KiB
LLVM
117 lines
4.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 --show-mc-encoding | FileCheck %s --check-prefix=CHECK
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=broadwell --show-mc-encoding | FileCheck %s --check-prefix=CHECK
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declare i8 @llvm.x86.addcarryx.u32(i8, i32, i32, i8*)
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define i8 @test_addcarryx_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
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; CHECK-LABEL: test_addcarryx_u32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.addcarryx.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
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ret i8 %ret;
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}
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declare i8 @llvm.x86.addcarryx.u64(i8, i64, i64, i8*)
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define i8 @test_addcarryx_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
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; CHECK-LABEL: test_addcarryx_u64:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.addcarryx.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
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ret i8 %ret;
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}
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declare i8 @llvm.x86.addcarry.u32(i8, i32, i32, i8*)
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define i8 @test_addcarry_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
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; CHECK-LABEL: test_addcarry_u32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.addcarry.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
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ret i8 %ret;
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}
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declare i8 @llvm.x86.addcarry.u64(i8, i64, i64, i8*)
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define i8 @test_addcarry_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
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; CHECK-LABEL: test_addcarry_u64:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.addcarry.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
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ret i8 %ret;
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}
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declare i8 @llvm.x86.subborrow.u32(i8, i32, i32, i8*)
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define i8 @test_subborrow_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
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; CHECK-LABEL: test_subborrow_u32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: sbbl %edx, %esi ## encoding: [0x19,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.subborrow.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
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ret i8 %ret;
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}
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declare i8 @llvm.x86.subborrow.u64(i8, i64, i64, i8*)
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define i8 @test_subborrow_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
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; CHECK-LABEL: test_subborrow_u64:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]
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; CHECK-NEXT: sbbq %rdx, %rsi ## encoding: [0x48,0x19,0xd6]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%ret = tail call i8 @llvm.x86.subborrow.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
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ret i8 %ret;
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}
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; Try a version with loads. Previously we crashed on this.
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define i32 @load_crash(i64* nocapture readonly %a, i64* nocapture readonly %b, i64* %res) {
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; CHECK-LABEL: load_crash:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: movq (%rdi), %rcx ## encoding: [0x48,0x8b,0x0f]
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; CHECK-NEXT: xorl %eax, %eax ## encoding: [0x31,0xc0]
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; CHECK-NEXT: addq (%rsi), %rcx ## encoding: [0x48,0x03,0x0e]
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; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]
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; CHECK-NEXT: movq %rcx, (%rdx) ## encoding: [0x48,0x89,0x0a]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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%1 = load i64, i64* %a, align 8
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%2 = load i64, i64* %b, align 8
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%3 = bitcast i64* %res to i8*
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%4 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 %1, i64 %2, i8* %3)
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%conv = zext i8 %4 to i32
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ret i32 %conv
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}
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; Try a really simple all zero input case, which also used to crash
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define void @allzeros() {
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; CHECK-LABEL: allzeros:
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; CHECK: ## %bb.0: ## %entry
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; CHECK-NEXT: movq $0, 0 ## encoding: [0x48,0xc7,0x04,0x25,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]
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; CHECK-NEXT: retq ## encoding: [0xc3]
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entry:
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%0 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 0, i64 0, i8* null)
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ret void
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}
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