49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -verify-machineinstrs -systemz-subreg-liveness < %s | FileCheck %s
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; Check for successful compilation.
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; CHECK: lgfrl %r1, g_65
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"
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target triple = "s390x-ibm-linux"
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@g_65 = external global i32, align 4
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; Function Attrs: nounwind
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define void @main() #0 {
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bb:
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br label %bb1
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bb1: ; preds = %bb
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%tmp = load i32, i32* @g_65, align 4
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%tmp2 = sext i32 %tmp to i64
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%tmp3 = shl i32 %tmp, 16
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%tmp4 = ashr exact i32 %tmp3, 16
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%tmp5 = shl i32 %tmp4, 0
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%tmp6 = zext i32 %tmp5 to i64
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%tmp7 = shl i64 %tmp6, 48
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%tmp8 = ashr exact i64 %tmp7, 48
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br i1 undef, label %bb12, label %bb9
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bb9: ; preds = %bb1
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%tmp10 = select i1 undef, i64 0, i64 %tmp2
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%tmp11 = add nsw i64 %tmp10, %tmp8
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br label %bb12
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bb12: ; preds = %bb9, %bb1
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%tmp13 = phi i64 [ %tmp11, %bb9 ], [ %tmp8, %bb1 ]
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%tmp14 = trunc i64 %tmp13 to i32
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%tmp15 = and i32 %tmp14, 255
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%tmp16 = shl i32 %tmp15, 0
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%tmp17 = trunc i32 %tmp16 to i8
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%tmp18 = icmp eq i8 %tmp17, 0
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br i1 %tmp18, label %bb20, label %bb19
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bb19: ; preds = %bb12
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unreachable
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bb20: ; preds = %bb12
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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" "no-frame-pointer-elim"="false" "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"="z10" "unsafe-fp-math"="false" "use-soft-float"="false" }
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