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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -O2 < %s | FileCheck %s
declare void @do_something(ptr %a)
; We want only one memset in the if block (rather than only one memset in
; the entry block).
define void @test(i1 %c) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: i1 [[C:%.*]]) local_unnamed_addr {
; CHECK-NEXT: [[A:%.*]] = alloca [32 x i8], align 1
; CHECK-NEXT: br i1 [[C]], label %[[IF:.*]], label %[[COMMON_RET:.*]]
; CHECK: [[COMMON_RET]]:
; CHECK-NEXT: ret void
; CHECK: [[IF]]:
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(32) [[A]], i8 0, i64 32, i1 false)
; CHECK-NEXT: call void @do_something(ptr nonnull [[A]])
; CHECK-NEXT: br label %[[COMMON_RET]]
;
%a = alloca [32 x i8]
call void @llvm.memset(ptr %a, i8 0, i64 32, i1 false)
br i1 %c, label %if, label %else
if:
call void @llvm.memset(ptr %a, i8 0, i64 32, i1 false)
call void @do_something(ptr %a)
ret void
else:
ret void
}
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