1 ; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -verify-machineinstrs -systemz-subreg-liveness < %s | FileCheck %s
3 ; Check for successful compilation.
4 ; CHECK: lgfrl %r1, g_65
6 target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"
7 target triple = "s390x-ibm-linux"
9 @g_65 = external dso_local global i32, align 4
11 ; Function Attrs: nounwind
12 define void @main(i1 %x) #0 {
17 %tmp = load i32, ptr @g_65, align 4
18 %tmp2 = sext i32 %tmp to i64
19 %tmp3 = shl i32 %tmp, 16
20 %tmp4 = ashr exact i32 %tmp3, 16
21 %tmp5 = shl i32 %tmp4, 0
22 %tmp6 = zext i32 %tmp5 to i64
23 %tmp7 = shl i64 %tmp6, 48
24 %tmp8 = ashr exact i64 %tmp7, 48
25 br i1 undef, label %bb12, label %bb9
28 %tmp10 = select i1 %x, i64 0, i64 %tmp2
29 %tmp11 = add nsw i64 %tmp10, %tmp8
32 bb12: ; preds = %bb9, %bb1
33 %tmp13 = phi i64 [ %tmp11, %bb9 ], [ %tmp8, %bb1 ]
34 %tmp14 = trunc i64 %tmp13 to i32
35 %tmp15 = and i32 %tmp14, 255
36 %tmp16 = shl i32 %tmp15, 0
37 %tmp17 = trunc i32 %tmp16 to i8
38 %tmp18 = icmp eq i8 %tmp17, 0
39 br i1 %tmp18, label %bb20, label %bb19
48 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"="z10" "unsafe-fp-math"="false" "use-soft-float"="false" }