| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; 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 |
| ; This test used to fail because we were creating empty subranges |
| ; instead of subranges with dead defs while rematerializing values |
| ; during coalescing. |
| ; |
| ; PR46154 |
| ; REQUIRES: asserts |
| |
| @g_39 = external dso_local unnamed_addr global i64, align 8 |
| @g_151 = external dso_local global i32, align 4 |
| @g_222 = external dso_local unnamed_addr global [7 x [10 x i8]], align 2 |
| |
| define void @main() { |
| ; CHECK-LABEL: main: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lhi %r0, 1 |
| ; CHECK-NEXT: larl %r1, g_151 |
| ; CHECK-NEXT: lghi %r3, 0 |
| ; CHECK-NEXT: chi %r0, 0 |
| ; CHECK-NEXT: locghile %r3, 1 |
| ; CHECK-NEXT: o %r0, 0(%r1) |
| ; CHECK-NEXT: dsgfr %r2, %r0 |
| ; CHECK-NEXT: larl %r1, g_222 |
| ; CHECK-NEXT: lghi %r5, 0 |
| ; CHECK-NEXT: stgrl %r2, g_39 |
| ; CHECK-NEXT: stc %r5, 19(%r1) |
| ; CHECK-NEXT: br %r14 |
| %tmp = load i32, i32* @g_151, align 4 |
| %tmp3 = or i32 %tmp, 1 |
| %tmp4 = sext i32 %tmp3 to i64 |
| %tmp5 = srem i64 0, %tmp4 |
| %tmp6 = trunc i64 %tmp5 to i8 |
| 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 |
| %tmp7 = icmp slt i16 undef, 1 |
| %tmp8 = zext i1 %tmp7 to i64 |
| %tmp9 = srem i64 %tmp8, %tmp4 |
| store i64 %tmp9, i64* @g_39, align 8 |
| ret void |
| } |
| |
