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| # RUN: llc -start-after=dead-mi-elimination -stop-after=twoaddressinstruction -o - %s | FileCheck %s
--- |
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
@d = global i32 15, align 4
@b = global i32* @d, align 8
@a = common global i32 0, align 4
; Function Attrs: nounwind
define signext i32 @main() #0 {
entry:
%0 = load i32*, i32** @b, align 8
%1 = load i32, i32* @a, align 4
%lnot = icmp eq i32 %1, 0
%lnot.ext = zext i1 %lnot to i32
%shr.i = lshr i32 2072, %lnot.ext
%call.lobit = lshr i32 %shr.i, 7
%2 = and i32 %call.lobit, 1
%3 = load i32, i32* %0, align 4
%or = or i32 %2, %3
store i32 %or, i32* %0, align 4
%4 = load i32, i32* @a, align 4
%lnot.1 = icmp eq i32 %4, 0
%lnot.ext.1 = zext i1 %lnot.1 to i32
%shr.i.1 = lshr i32 2072, %lnot.ext.1
%call.lobit.1 = lshr i32 %shr.i.1, 7
%5 = and i32 %call.lobit.1, 1
%or.1 = or i32 %5, %or
store i32 %or.1, i32* %0, align 4
ret i32 %or.1
}
attributes #0 = { nounwind "target-cpu"="ppc64" }
...
---
name: main
alignment: 4
exposesReturnsTwice: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc_and_g8rc_nox0 }
- { id: 1, class: g8rc_and_g8rc_nox0 }
- { id: 2, class: gprc }
- { id: 3, class: gprc }
- { id: 4, class: gprc }
- { id: 5, class: g8rc_and_g8rc_nox0 }
- { id: 6, class: g8rc_and_g8rc_nox0 }
- { id: 7, class: gprc }
- { id: 8, class: gprc }
- { id: 9, class: gprc }
- { id: 10, class: g8rc }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
maxCallFrameSize: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
body: |
bb.0.entry:
liveins: $x2
%0 = ADDIStocHA8 $x2, @b
%1 = LD target-flags(ppc-toc-lo) @b, killed %0 :: (load 8 from @b)
%2 = LWZ 0, %1 :: (load 4 from %ir.0)
%3 = LI 0
%4 = RLWIMI %3, killed %2, 0, 0, 31
; CHECK-LABEL: name: main
; CHECK: %[[REG1:[0-9]+]]:gprc = LI 0
; CHECK: %[[REG2:[0-9]+]]:gprc = COPY %[[REG1]]
; CHECK: %[[REG2]]:gprc = RLWIMI %[[REG2]], killed %2, 0, 0, 31
%8 = RLWIMI %3, %4, 0, 0, 31
STW %4, 0, %1 :: (store 4 into %ir.0)
%10 = EXTSW_32_64 %8
STW %8, 0, %1 :: (store 4 into %ir.0)
$x3 = COPY %10
BLR8 implicit $x3, implicit $lr8, implicit $rm
...
|