42 lines
1.4 KiB
LLVM
42 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -O3 -pre-RA-sched=list-ilp -systemz-subreg-liveness -stress-sched -terminal-rule %s -o - | FileCheck %s
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; This test used to fail because we were creating empty subranges
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; instead of subranges with dead defs while rematerializing values
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; during coalescing.
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;
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; PR46154
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; REQUIRES: asserts
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@g_39 = external dso_local unnamed_addr global i64, align 8
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@g_151 = external dso_local global i32, align 4
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@g_222 = external dso_local unnamed_addr global [7 x [10 x i8]], align 2
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define void @main() {
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; CHECK-LABEL: main:
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; CHECK: # %bb.0:
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; CHECK-NEXT: lhi %r0, 1
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; CHECK-NEXT: larl %r1, g_151
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; CHECK-NEXT: lghi %r3, 0
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; CHECK-NEXT: chi %r0, 0
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; CHECK-NEXT: locghile %r3, 1
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; CHECK-NEXT: o %r0, 0(%r1)
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; CHECK-NEXT: dsgfr %r2, %r0
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; CHECK-NEXT: larl %r1, g_222
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; CHECK-NEXT: lghi %r5, 0
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; CHECK-NEXT: stgrl %r2, g_39
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; CHECK-NEXT: stc %r5, 19(%r1)
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; CHECK-NEXT: br %r14
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%tmp = load i32, i32* @g_151, align 4
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%tmp3 = or i32 %tmp, 1
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%tmp4 = sext i32 %tmp3 to i64
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%tmp5 = srem i64 0, %tmp4
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%tmp6 = trunc i64 %tmp5 to i8
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store i8 %tmp6, i8* getelementptr inbounds ([7 x [10 x i8]], [7 x [10 x i8]]* @g_222, i64 0, i64 1, i64 9), align 1
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%tmp7 = icmp slt i16 undef, 1
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%tmp8 = zext i1 %tmp7 to i64
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%tmp9 = srem i64 %tmp8, %tmp4
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store i64 %tmp9, i64* @g_39, align 8
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ret void
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}
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