6e94007623
This PR replaces some instances of `br i1 undef` with function argument value in several tests under `llvm/test/CodeGen/ `directory. This PR is a continuation of PR #125460
37 lines
1.0 KiB
LLVM
37 lines
1.0 KiB
LLVM
; RUN: llc -mtriple=arm64--- -stop-after=finalize-isel -o - %s | FileCheck %s
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; Check that we ignore the zeroext attribute on the return type of the tail
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; call, since the return value is unused. This happens during CodeGenPrepare in
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; dupRetToEnableTailCallOpts, which calls attributesPermitTailCall to check if
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; the attributes of the caller and the callee match.
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declare zeroext i1 @zcallee()
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define void @zcaller(i1 %arg) {
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; CHECK-LABEL: name: zcaller
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entry:
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br i1 %arg, label %calllabel, label %retlabel
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calllabel:
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; CHECK: bb.1.calllabel:
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; CHECK-NOT: BL @zcallee
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; CHECK-NEXT: TCRETURNdi @zcallee
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%unused_result = tail call zeroext i1 @zcallee()
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br label %retlabel
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retlabel:
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ret void
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}
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declare signext i1 @scallee()
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define void @scaller(i1 %arg) {
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; CHECK-LABEL: name: scaller
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entry:
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br i1 %arg, label %calllabel, label %retlabel
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calllabel:
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; CHECK: bb.1.calllabel:
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; CHECK-NOT: BL @scallee
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; CHECK-NEXT: TCRETURNdi @scallee
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%unused_result = tail call signext i1 @scallee()
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br label %retlabel
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retlabel:
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ret void
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}
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