blob: 06c54598e730233ea0b71108c9cb0694810f3b2a [file] [log] [blame]
Ehsan Amiria538b0f2016-08-03 18:17:35 +00001; RUN: llc -verify-machineinstrs < %s | FileCheck %s
Adam Nemet571eb5f2014-05-20 17:20:34 +00002
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(%class.test* %this) {
15entry:
David Blaikie79e6c742015-02-27 19:29:02 +000016 %Subminor.i.i = getelementptr inbounds %class.test, %class.test* %this, i64 0, i32 1
Adam Nemet571eb5f2014-05-20 17:20:34 +000017 %0 = bitcast [5 x i8]* %Subminor.i.i to i40*
David Blaikiea79ac142015-02-27 21:17:42 +000018 %bf.load2.i.i = load i40, i40* %0, align 4
Adam Nemet571eb5f2014-05-20 17:20:34 +000019 %bf.clear7.i.i = and i40 %bf.load2.i.i, -8589934592
20 store i40 %bf.clear7.i.i, i40* %0, align 4
21 ret void
22}