In D115311, we're looking to modify clang to emit i constraints rather than X constraints for callbr's indirect destinations. Prior to doing so, update all of the existing tests in llvm/ to match. Reviewed By: void, jyknight Differential Revision: https://reviews.llvm.org/D115410
19 lines
453 B
LLVM
19 lines
453 B
LLVM
; RUN: not llc -mtriple=i686-- < %s 2> %t
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; RUN: FileCheck %s < %t
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; CHECK: Duplicate callbr destination
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; A test for asm-goto duplicate labels limitation
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define i32 @test(i32 %a) {
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entry:
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%0 = add i32 %a, 4
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callbr void asm "xorl $0, $0; jmp ${1:l}", "r,i,i,~{dirflag},~{fpsr},~{flags}"(i32 %0, i8* blockaddress(@test, %fail), i8* blockaddress(@test, %fail)) to label %normal [label %fail, label %fail]
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normal:
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ret i32 %0
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fail:
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ret i32 1
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}
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