45 lines
1.4 KiB
LLVM
45 lines
1.4 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=i386-- | FileCheck %s
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; FIXME: umul-with-overflow not supported yet.
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@ok = internal constant [4 x i8] c"%d\0A\00"
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@no = internal constant [4 x i8] c"no\0A\00"
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define i1 @func(i32 %v1, i32 %v2) nounwind {
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; CHECK-LABEL: func:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: mull {{[0-9]+}}(%esp)
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; CHECK-NEXT: jno .LBB0_1
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; CHECK-NEXT: # %bb.2: # %carry
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; CHECK-NEXT: pushl $no
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; CHECK-NEXT: calll printf
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; CHECK-NEXT: addl $4, %esp
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: retl
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; CHECK-NEXT: .LBB0_1: # %normal
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; CHECK-NEXT: pushl %eax
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; CHECK-NEXT: pushl $ok
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; CHECK-NEXT: calll printf
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; CHECK-NEXT: addl $8, %esp
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; CHECK-NEXT: movb $1, %al
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; CHECK-NEXT: retl
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entry:
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%t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
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%sum = extractvalue {i32, i1} %t, 0
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%obit = extractvalue {i32, i1} %t, 1
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br i1 %obit, label %carry, label %normal
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normal:
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%t1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
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ret i1 true
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carry:
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%t2 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @no, i32 0, i32 0) ) nounwind
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ret i1 false
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}
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declare i32 @printf(i8*, ...) nounwind
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declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32)
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