41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; radr://6772169
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; RUN: llc < %s -fast-isel | FileCheck %s --check-prefix=FASTISEL
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; PR30981
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; RUN: llc < %s -O0 -mcpu=x86-64 -mattr=+avx512f | FileCheck %s --check-prefix=AVX512F
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-apple-darwin10"
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declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) nounwind
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define fastcc i32 @test() nounwind {
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; FASTISEL-LABEL: test:
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; FASTISEL: ## %bb.0: ## %entry
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; FASTISEL-NEXT: movl $1, %eax
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; FASTISEL-NEXT: addl $0, %eax
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; FASTISEL-NEXT: xorl %eax, %eax
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; FASTISEL-NEXT: retq
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;
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; AVX512F-LABEL: test:
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; AVX512F: ## %bb.0: ## %entry
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; AVX512F-NEXT: movl $1, %eax
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; AVX512F-NEXT: addl $0, %eax
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; AVX512F-NEXT: seto %al
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; AVX512F-NEXT: jo LBB0_2
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; AVX512F-NEXT: ## %bb.1: ## %BB3
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; AVX512F-NEXT: LBB0_2: ## %.backedge
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; AVX512F-NEXT: xorl %eax, %eax
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; AVX512F-NEXT: retq
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entry:
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%tmp1 = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 1, i32 0)
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%tmp2 = extractvalue { i32, i1 } %tmp1, 1
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br i1 %tmp2, label %.backedge, label %BB3
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BB3:
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%tmp4 = extractvalue { i32, i1 } %tmp1, 0
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br label %.backedge
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.backedge:
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ret i32 0
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}
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