xref: /llvm-project/llvm/test/CodeGen/PowerPC/2011-12-08-DemandedBitsMiscompile.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g4 | FileCheck %s
2
3define void @test(ptr nocapture %x, ptr %xx, ptr %yp) nounwind uwtable ssp {
4entry:
5  %yy = load i32, ptr %yp
6  %y = add i32 %yy, 1
7  %z = zext i32 %y to i64
8  %z2 = shl i64 %z, 32
9  store i64 %z2, ptr %xx, align 4
10  ret void
11
12; CHECK-LABEL: test:
13; CHECK: sldi {{.*}}, {{.*}}, 32
14; Note: it's okay if someday CodeGen gets smart enough to optimize out
15; the shift.
16}
17