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llvm-project/llvm/test/CodeGen/SystemZ/asm-20.ll

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[SystemZ] Recognize INLINEASM_BR in backend. SystemZInstrInfo::analyzeBranch() needs to check for INLINEASM_BR instructions, or it will crash. Review: Ulrich Weigand llvm-svn: 370753
2019-09-03 21:31:22 +08:00
; Test that asm goto can be compiled.
;
[SystemZ] Recognize INLINEASM_BR in backend Handle the remaining cases also by handling asm goto in SystemZInstrInfo::getBranchInfo(). Review: Ulrich Weigand https://reviews.llvm.org/D67151 llvm-svn: 371048
2019-09-05 18:20:05 +08:00
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14
[SystemZ] Recognize INLINEASM_BR in backend. SystemZInstrInfo::analyzeBranch() needs to check for INLINEASM_BR instructions, or it will crash. Review: Ulrich Weigand llvm-svn: 370753
2019-09-03 21:31:22 +08:00
define i32 @c() {
entry:
[SystemZ] Recognize INLINEASM_BR in backend Handle the remaining cases also by handling asm goto in SystemZInstrInfo::getBranchInfo(). Review: Ulrich Weigand https://reviews.llvm.org/D67151 llvm-svn: 371048
2019-09-05 18:20:05 +08:00
callbr void asm sideeffect "j d", "X"(i8* blockaddress(@c, %d))
[SystemZ] Recognize INLINEASM_BR in backend. SystemZInstrInfo::analyzeBranch() needs to check for INLINEASM_BR instructions, or it will crash. Review: Ulrich Weigand llvm-svn: 370753
2019-09-03 21:31:22 +08:00
to label %asm.fallthrough [label %d]
asm.fallthrough: ; preds = %entry
br label %d
d: ; preds = %asm.fallthrough, %entry
ret i32 undef
}