llvm-project/llvm/test/Transforms/SampleProfile/pseudo-probe-memset.ll

26 lines
903 B
LLVM

; RUN: opt < %s -memcpyopt -S | FileCheck %s
%struct.MV = type { i16, i16 }
define void @test(i32* nocapture %c) nounwind optsize {
; All the stores in this example should be merged into a single memset.
; CHECK-NOT: store i32 -1
; CHECK: call void @llvm.memset.p0i8.i64
store i32 -1, i32* %c, align 4
%1 = getelementptr inbounds i32, i32* %c, i32 1
store i32 -1, i32* %1, align 4
%2 = getelementptr inbounds i32, i32* %c, i32 2
store i32 -1, i32* %2, align 4
call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1)
%3 = getelementptr inbounds i32, i32* %c, i32 3
store i32 -1, i32* %3, align 4
%4 = getelementptr inbounds i32, i32* %c, i32 4
store i32 -1, i32* %4, align 4
ret void
}
; Function Attrs: inaccessiblememonly nounwind willreturn
declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0
attributes #0 = { inaccessiblememonly nounwind willreturn }