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83 lines
2.7 KiB
YAML
83 lines
2.7 KiB
YAML
# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=greedy %s -o - \
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# RUN: | FileCheck %s
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#
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# Test that regalloc hints work for LOCRMux when a 128bit register is
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# involved.
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--- |
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; ModuleID = 'tc.ll'
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source_filename = "bugpoint-output-126c57d.bc"
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
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target triple = "s390x--linux-gnu"
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@g_74 = external global i32, align 4
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; Function Attrs: nounwind
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define void @main() local_unnamed_addr #0 {
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entry:
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%0 = load i32, i32* @g_74, align 4
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%conv478.i.i = sext i32 %0 to i64
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%cond.i15.i.i = lshr i32 1, 0
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%conv2.i16.i.i = zext i32 %cond.i15.i.i to i64
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%rem.i12.i.i = urem i64 %conv2.i16.i.i, %conv478.i.i
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%conv480.i.i = trunc i64 %rem.i12.i.i to i32
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%1 = icmp ult i32 %conv480.i.i, -663124367
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%rem.i.i.i = select i1 %1, i32 %conv480.i.i, i32 undef
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%tobool482.i.i = icmp eq i32 %rem.i.i.i, 0
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br i1 %tobool482.i.i, label %for.inc591.1.i.i, label %cleanup584.i.i
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cleanup584.i.i: ; preds = %entry
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unreachable
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for.inc591.1.i.i: ; preds = %entry
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unreachable
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}
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 6.0.0"}
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...
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# CHECK: locr
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# CHECK-NOT: risblg
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---
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name: main
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alignment: 4
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr64bit }
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- { id: 1, class: gr64bit }
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- { id: 2, class: gr128bit }
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- { id: 3, class: gr128bit }
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- { id: 4, class: gr64bit }
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- { id: 5, class: grx32bit }
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- { id: 6, class: grx32bit }
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- { id: 7, class: grx32bit }
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- { id: 8, class: gr128bit }
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- { id: 9, class: gr128bit }
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- { id: 10, class: gr64bit }
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body: |
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bb.0.entry:
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%0:gr64bit = LGFRL @g_74 :: (dereferenceable load 4 from @g_74)
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undef %3.subreg_l64:gr128bit = LGHI 1
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%3.subreg_h64:gr128bit = LLILL 0
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%3:gr128bit = DLGR %3, %0
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CLFIMux %3.subreg_hl32, 3631842929, implicit-def $cc
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%6:grx32bit = LOCRMux undef %6, %3.subreg_hl32, 14, 4, implicit killed $cc
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CHIMux %6, 0, implicit-def $cc
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BRC 14, 8, %bb.2.for.inc591.1.i.i, implicit killed $cc
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J %bb.1.cleanup584.i.i
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bb.1.cleanup584.i.i:
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successors:
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bb.2.for.inc591.1.i.i:
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...
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