forked from OSchip/llvm-project
105 lines
2.8 KiB
LLVM
105 lines
2.8 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 --show-mc-encoding| FileCheck %s --check-prefix=NOADX --check-prefix=CHECK
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=broadwell --show-mc-encoding| FileCheck %s --check-prefix=ADX --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: addb
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; ADX: adcxl
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; CHECK: setb
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; CHECK: retq
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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: addb
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; ADX: adcxq
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; CHECK: setb
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; CHECK: retq
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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: addb
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; ADX: adcxl
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; NOADX: adcl
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; CHECK: setb
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; CHECK: retq
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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: addb
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; ADX: adcxq
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; NOADX: adcq
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; CHECK: setb
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; CHECK: retq
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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: addb
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; CHECK: sbbl
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; CHECK: setb
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; CHECK: retq
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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: addb
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; CHECK: sbbq
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; CHECK: setb
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; CHECK: retq
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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: addb
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; ADX: adcxq
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; CHECK: setb
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; CHECK: retq
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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: xorl
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; CHECK: addb
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; CHECK: sbbq
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; CHECK: andl
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; CHECK: retq
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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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