llvm-project/llvm/test/Transforms/Inline/crash-lifetime-marker.ll

26 lines
768 B
LLVM

; RUN: opt < %s -inline -S | FileCheck %s
; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s
; InlineFunction would assert inside the loop that leaves lifetime markers if
; there was an zero-sized AllocaInst. Check that it doesn't assert and doesn't
; leave lifetime markers in that case.
declare i32 @callee2(i8*)
define i32 @callee1(i32 %count) {
%a0 = alloca i8, i32 %count, align 4
%call0 = call i32 @callee2(i8* %a0)
ret i32 %call0
}
; CHECK-LABEL: define i32 @caller1(
; CHECK: [[ALLOCA:%[a-z0-9\.]+]] = alloca i8
; CHECK-NOT: call void @llvm.lifetime.start.p0i8(
; CHECK: call i32 @callee2(i8* [[ALLOCA]])
; CHECK-NOT: call void @llvm.lifetime.end.p0i8(
define i32 @caller1(i32 %count) {
%call0 = call i32 @callee1(i32 0)
ret i32 %call0
}