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