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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -O3 -pre-RA-sched=list-ilp -systemz-subreg-liveness -stress-sched -terminal-rule %s -o - | FileCheck %s3; This test used to fail because we were creating empty subranges4; instead of subranges with dead defs while rematerializing values5; during coalescing.6;7; PR461548; REQUIRES: asserts9 10@g_39 = external dso_local unnamed_addr global i64, align 811@g_151 = external dso_local global i32, align 412@g_222 = external dso_local unnamed_addr global [7 x [10 x i8]], align 213 14define void @main(i16 %in) {15; CHECK-LABEL: main:16; CHECK: # %bb.0:17; CHECK-NEXT: lhr %r2, %r218; CHECK-NEXT: larl %r1, g_15119; CHECK-NEXT: lghi %r3, 020; CHECK-NEXT: chi %r2, 021; CHECK-NEXT: lhi %r0, 122; CHECK-NEXT: locghile %r3, 123; CHECK-NEXT: o %r0, 0(%r1)24; CHECK-NEXT: larl %r1, g_22225; CHECK-NEXT: dsgfr %r2, %r026; CHECK-NEXT: lghi %r3, 027; CHECK-NEXT: stgrl %r2, g_3928; CHECK-NEXT: stc %r3, 19(%r1)29; CHECK-NEXT: br %r1430 %tmp = load i32, ptr @g_151, align 431 %tmp3 = or i32 %tmp, 132 %tmp4 = sext i32 %tmp3 to i6433 %tmp5 = srem i64 0, %tmp434 %tmp6 = trunc i64 %tmp5 to i835 store i8 %tmp6, ptr getelementptr inbounds ([7 x [10 x i8]], ptr @g_222, i64 0, i64 1, i64 9), align 136 %tmp7 = icmp slt i16 %in, 137 %tmp8 = zext i1 %tmp7 to i6438 %tmp9 = srem i64 %tmp8, %tmp439 store i64 %tmp9, ptr @g_39, align 840 ret void41}42 43