51 lines
1.1 KiB
LLVM
51 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple x86_64-apple-darwin11 -O0 -fast-isel-abort=1 | FileCheck %s
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%struct.x = type { i64, i64 }
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%addovf = type { i32, i1 }
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declare %struct.x @f()
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define void @test1(i64*) nounwind ssp {
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%2 = tail call %struct.x @f() nounwind
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%3 = extractvalue %struct.x %2, 0
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%4 = add i64 %3, 10
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store i64 %4, i64* %0
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ret void
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; CHECK-LABEL: test1:
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; CHECK: callq _f
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; CHECK-NOT: %rax
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; CHECK: addq $10, %rax
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}
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define void @test2(i64*) nounwind ssp {
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%2 = tail call %struct.x @f() nounwind
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%3 = extractvalue %struct.x %2, 1
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%4 = add i64 %3, 10
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store i64 %4, i64* %0
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ret void
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; CHECK-LABEL: test2:
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; CHECK: callq _f
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; CHECK-NOT: %rdx
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; CHECK: addq $10, %rdx
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}
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declare %addovf @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
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define void @test3(i32 %x, i32 %y, i32* %z) {
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%r = call %addovf @llvm.sadd.with.overflow.i32(i32 %x, i32 %y)
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%sum = extractvalue %addovf %r, 0
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%sum3 = mul i32 %sum, 3
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%bit = extractvalue %addovf %r, 1
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br i1 %bit, label %then, label %end
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then:
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store i32 %sum3, i32* %z
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br label %end
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end:
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ret void
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; CHECK: test3
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; CHECK: addl
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; CHECK: seto %al
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; CHECK: testb $1, %al
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}
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