67 lines
2.0 KiB
LLVM
67 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NOBMI
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi < %s | FileCheck %s --check-prefixes=CHECK,CHECK-BMI
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declare i32 @llvm.smax.i32(i32, i32)
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declare i32 @llvm.smin.i32(i32, i32)
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declare i64 @llvm.smax.i64(i64, i64)
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declare i64 @llvm.smin.i64(i64, i64)
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define i32 @test_i32_smax(i32 %a) nounwind {
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; CHECK-NOBMI-LABEL: test_i32_smax:
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; CHECK-NOBMI: # %bb.0:
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; CHECK-NOBMI-NEXT: xorl %eax, %eax
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; CHECK-NOBMI-NEXT: testl %edi, %edi
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; CHECK-NOBMI-NEXT: cmovgl %edi, %eax
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; CHECK-NOBMI-NEXT: retq
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;
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; CHECK-BMI-LABEL: test_i32_smax:
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; CHECK-BMI: # %bb.0:
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; CHECK-BMI-NEXT: movl %edi, %eax
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; CHECK-BMI-NEXT: sarl $31, %eax
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; CHECK-BMI-NEXT: andnl %edi, %eax, %eax
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; CHECK-BMI-NEXT: retq
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%r = call i32 @llvm.smax.i32(i32 %a, i32 0)
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ret i32 %r
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}
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define i32 @test_i32_smin(i32 %a) nounwind {
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; CHECK-LABEL: test_i32_smin:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: sarl $31, %eax
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; CHECK-NEXT: andl %edi, %eax
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; CHECK-NEXT: retq
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%r = call i32 @llvm.smin.i32(i32 %a, i32 0)
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ret i32 %r
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}
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define i64 @test_i64_smax(i64 %a) nounwind {
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; CHECK-NOBMI-LABEL: test_i64_smax:
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; CHECK-NOBMI: # %bb.0:
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; CHECK-NOBMI-NEXT: xorl %eax, %eax
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; CHECK-NOBMI-NEXT: testq %rdi, %rdi
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; CHECK-NOBMI-NEXT: cmovgq %rdi, %rax
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; CHECK-NOBMI-NEXT: retq
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;
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; CHECK-BMI-LABEL: test_i64_smax:
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; CHECK-BMI: # %bb.0:
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; CHECK-BMI-NEXT: movq %rdi, %rax
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; CHECK-BMI-NEXT: sarq $63, %rax
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; CHECK-BMI-NEXT: andnq %rdi, %rax, %rax
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; CHECK-BMI-NEXT: retq
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%r = call i64 @llvm.smax.i64(i64 %a, i64 0)
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ret i64 %r
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}
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define i64 @test_i64_smin(i64 %a) nounwind {
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; CHECK-LABEL: test_i64_smin:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movq %rdi, %rax
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; CHECK-NEXT: sarq $63, %rax
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; CHECK-NEXT: andq %rdi, %rax
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; CHECK-NEXT: retq
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%r = call i64 @llvm.smin.i64(i64 %a, i64 0)
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ret i64 %r
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}
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