xref: /llvm-project/llvm/test/CodeGen/PowerPC/indexed-load.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; RUN: llc -verify-machineinstrs < %s | FileCheck %s
2
3; The SplitIndexingFromLoad tranformation exposed an isel backend bug.  This
4; testcase used to generate stwx 4, 3, 64.  stwx does not have an
5; immediate-offset format (note the 64) and it should not be matched.
6
7target datalayout = "e-m:e-i64:64-n32:64"
8target triple = "powerpc64le-unknown-linux-gnu"
9
10%class.test = type { [64 x i8], [5 x i8] }
11
12; CHECK-LABEL: f:
13; CHECK-NOT: stwx {{[0-9]+}}, {{[0-9]+}}, 64
14define void @f(ptr %this) {
15entry:
16  %Subminor.i.i = getelementptr inbounds %class.test, ptr %this, i64 0, i32 1
17  %bf.load2.i.i = load i40, ptr %Subminor.i.i, align 4
18  %bf.clear7.i.i = and i40 %bf.load2.i.i, -8589934592
19  store i40 %bf.clear7.i.i, ptr %Subminor.i.i, align 4
20  ret void
21}
22