8a72391f60
This is an alternative to D122376. Rather than working around the problem, this patch requires that struct return types in intrinsics are anonymous/literal and adds auto-upgrade code to convert existing uses of intrinsics with named struct types. This ensures that the mapping between intrinsic name and intrinsic function type is actually bijective, as it is supposed to be. This also fixes https://github.com/llvm/llvm-project/issues/37891. Differential Revision: https://reviews.llvm.org/D122471
50 lines
1.1 KiB
LLVM
50 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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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 { i32, i1 } @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 { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 %y)
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%sum = extractvalue { i32, i1 } %r, 0
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%sum3 = mul i32 %sum, 3
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%bit = extractvalue { i32, i1 } %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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