# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -misched=shuffle -verify-machineinstrs -start-before=simple-register-coalescing -systemz-subreg-liveness %s -o - | FileCheck %s
# -misched=shuffle is under !NDEBUG.
# REQUIRES: asserts
# Check for successful compilation.
# CHECK: lhi %r0, 0
--- |
target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
target triple = "s390x-unknown-linux-gnu"
@g_54 = external dso_local unnamed_addr global i8, align 2
@g_69 = external dso_local unnamed_addr global i32, align 4
@g_189 = external dso_local unnamed_addr global i16, align 2
@g_226 = external dso_local unnamed_addr global i8, align 2
@g_314 = external dso_local global [10 x i8], align 2
@g_334 = external dso_local global i32, align 4
@g_352 = external dso_local unnamed_addr global i64, align 8
@g_747 = external dso_local unnamed_addr global i1, align 2
@0 = internal unnamed_addr global i8 74, align 2
@g_1055 = external dso_local unnamed_addr global i16, align 2
@g_195 = external dso_local global i64**, align 8
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #0
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #0
define dso_local fastcc void @func_32(i8 zeroext %arg, i16 zeroext %arg1) unnamed_addr #1 {
bb:
%tmp = alloca i32, align 4
%tmp2 = alloca [5 x [5 x i32***]], align 8
%tmp3 = bitcast [5 x [5 x i32***]]* %tmp2 to i8*
%tmp4 = getelementptr inbounds [5 x [5 x i32***]], [5 x [5 x i32***]]* %tmp2, i64 0, i64 2, i64 2
%tmp5 = bitcast i32**** %tmp4 to i64***
br label %bb6
bb6: ; preds = %bb40, %bb
%tmp7 = phi i8 [ 0, %bb ], [ %tmp43, %bb40 ]
%tmp8 = phi i16 [ %arg1, %bb ], [ %tmp41, %bb40 ]
%tmp9 = phi i8 [ %arg, %bb ], [ 0, %bb40 ]
%tmp10 = sext i8 %tmp7 to i64
%tmp11 = add nsw i64 %tmp10, 1
%tmp12 = getelementptr inbounds [10 x i8], [10 x i8]* @g_314, i64 0, i64 %tmp11
%tmp13 = load volatile i8, i8* %tmp12, align 1
br i1 undef, label %bb39, label %bb14
bb14: ; preds = %bb6
%tmp15 = load i64**, i64*** @g_195, align 8
%tmp16 = load volatile i8, i8* %tmp12, align 1
store i32 7, i32* %tmp, align 4
call void @llvm.lifetime.start.p0i8(i64 200, i8* nonnull %tmp3)
store i32 580868341, i32* @g_69, align 4
%tmp17 = zext i8 %tmp9 to i64
%tmp18 = load i64, i64* @g_352, align 8
%tmp19 = and i64 %tmp18, %tmp17
%tmp20 = icmp ne i64 %tmp19, 1
%tmp21 = zext i1 %tmp20 to i64
%tmp22 = load i64*, i64** %tmp15, align 8
store i64 %tmp21, i64* %tmp22, align 8
%tmp23 = load i32, i32* @g_334, align 4
%tmp24 = xor i32 %tmp23, 1
store i32 %tmp24, i32* @g_334, align 4
%tmp25 = zext i8 %tmp9 to i16
%tmp26 = mul i16 %tmp25, 26036
%tmp27 = load i64**, i64*** %tmp5, align 8
br label %bb28
bb28: ; preds = %bb14
%tmp29 = mul i16 %tmp26, %tmp8
%tmp30 = zext i16 %tmp29 to i32
store i32 %tmp30, i32* @g_69, align 4
store i8 0, i8* @g_226, align 2
br label %bb32
bb31: ; preds = %bb35
call void @llvm.lifetime.end.p0i8(i64 200, i8* nonnull %tmp3)
br label %bb40
bb32: ; preds = %bb34, %bb28
store i16 1, i16* @g_1055, align 2
store i64 0, i64* @g_352, align 8
store i32* @g_334, i32** undef, align 8
%tmp33 = or i64 0, 1
store i64 %tmp33, i64* @g_352, align 8
store i32* @g_334, i32** null, align 8
br label %bb34
bb34: ; preds = %bb32
br i1 false, label %bb32, label %bb35
bb35: ; preds = %bb34
store i32* %tmp, i32** undef, align 8
store i8 0, i8* @0, align 2
store i16 2, i16* @g_189, align 2
store i8 1, i8* @g_54, align 2
store i1 true, i1* @g_747, align 2
store i64 0, i64* undef, align 8
%tmp36 = load i64*, i64** undef, align 8
%tmp37 = load i64, i64* %tmp36, align 8
%tmp38 = load i64*, i64** %tmp27, align 8
store i64 %tmp37, i64* %tmp38, align 8
store i16 0, i16* @g_189, align 2
br label %bb31
bb39: ; preds = %bb6
br label %bb40
bb40: ; preds = %bb39, %bb31
%tmp41 = phi i16 [ undef, %bb39 ], [ 0, %bb31 ]
%tmp42 = load volatile i8, i8* %tmp12, align 1
%tmp43 = add i8 %tmp7, 1
br i1 false, label %bb6, label %bb44
bb44: ; preds = %bb40
unreachable
}
attributes #0 = { argmemonly nofree nosync nounwind willreturn }
attributes #1 = { nounwind }
attributes #2 = { nofree nosync nounwind willreturn }
...
---
name: func_32
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$r2d', virtual-reg: '%0' }
- { reg: '$r3d', virtual-reg: '%1' }
frameInfo:
maxAlignment: 8
stack:
- { id: 0, name: tmp, size: 4, alignment: 4 }
- { id: 1, name: tmp2, size: 200, alignment: 8 }
body: |
bb.0.bb:
liveins: $r2d, $r3d
%1:gr64bit = COPY killed $r3d
%0:gr64bit = COPY killed $r2d
%2:grx32bit = COPY killed %1.subreg_l32
%3:grx32bit = COPY killed %0.subreg_l32
%4:addr64bit = LA %stack.1.tmp2, 96, $noreg
%5:gr32bit = LHIMux 0
%6:addr64bit = LARL @g_314
%7:gr32bit = IIFMux 580868341
%8:addr64bit = LARL @g_352
%9:gr64bit = LGHI 0
%10:addr64bit = LARL @g_334
%11:gr32bit = LHIMux 1
%12:addr64bit = LARL @g_226
%13:gr64bit = LGHI 1
%14:gr64bit = LA %stack.0.tmp, 0, $noreg
%15:addr64bit = LARL @0
%16:gr32bit = LHIMux 2
%17:addr64bit = LARL @g_54
%18:addr64bit = LARL @g_747
%19:grx32bit = COPY %5
%20:gr32bit = COPY killed %2
%21:grx32bit = COPY killed %3
bb.1.bb6:
%22:grx32bit = COPY killed %21
%23:gr32bit = COPY killed %20
%24:grx32bit = COPY killed %19
undef %25.subreg_l32:gr64bit = COPY %24
%26:addr64bit = LGBR killed %25
%27:addr64bit = LA %26, 1, %6
dead %28:grx32bit = LBMux killed %26, 1, %6 :: (volatile load (s8) from %ir.tmp12)
CHIMux %5, 0, implicit-def $cc
BRC 14, 6, %bb.7, implicit killed $cc
J %bb.2
bb.2.bb14:
%29:addr64bit = LGRL @g_195 :: (dereferenceable load (s64) from @g_195)
dead %30:grx32bit = LBMux %27, 0, $noreg :: (volatile load (s8) from %ir.tmp12)
MVHI %stack.0.tmp, 0, 7 :: (store (s32) into %ir.tmp)
STRL %7, @g_69 :: (store (s32) into @g_69)
undef %31.subreg_l32:gr64bit = COPY %22
%32:gr64bit = LLGC %8, 7, $noreg :: (dereferenceable load (s8) from @g_352 + 7)
%33:gr64bit = COPY killed %32
%33:gr64bit = RNSBG %33, killed %31, 0, 63, 0, implicit-def dead $cc
CGHI killed %33, 1, implicit-def $cc
%34:gr64bit = COPY %9
%34:gr64bit = LOCGHI %34, 1, 14, 6, implicit killed $cc
%35:addr64bit = LG killed %29, 0, $noreg :: (load (s64) from %ir.tmp15)
STG killed %34, killed %35, 0, $noreg :: (store (s64) into %ir.tmp22)
%36:gr32bit = COPY %11
%36:gr32bit = X %36, %10, 0, $noreg, implicit-def dead $cc :: (dereferenceable load (s32) from @g_334)
STRL killed %36, @g_334 :: (store (s32) into @g_334)
%37:gr32bit = LLCRMux killed %22
%38:gr32bit = COPY killed %37
%38:gr32bit = MHI %38, 26036
%39:addr64bit = LG %4, 0, $noreg :: (dereferenceable load (s64) from %ir.tmp5)
bb.3.bb28:
%40:gr32bit = COPY killed %38
%40:gr32bit = MSR %40, killed %23
%41:gr32bit = LLHRMux killed %40
STRL killed %41, @g_69 :: (store (s32) into @g_69)
MVI %12, 0, 0 :: (store (s8) into @g_226, align 2)
J %bb.4
bb.4.bb32:
STHRL %11, @g_1055 :: (store (s16) into @g_1055)
STGRL %9, @g_352 :: (store (s64) into @g_352)
STG %10, undef %42:addr64bit, 0, $noreg :: (store (s64) into `i32** undef`)
STGRL %13, @g_352 :: (store (s64) into @g_352)
STG %10, $noreg, 0, $noreg :: (store (s64) into `i32** null`)
bb.5.bb34:
successors: %bb.4(0x7c000000), %bb.6(0x04000000)
CHIMux %5, 0, implicit-def $cc
BRC 14, 6, %bb.4, implicit killed $cc
J %bb.6
bb.6.bb35:
STG %14, undef %43:addr64bit, 0, $noreg :: (store (s64) into `i32** undef`)
MVI %15, 0, 0 :: (store (s8) into @0, align 2)
STHRL %16, @g_189 :: (store (s16) into @g_189)
MVI %17, 0, 1 :: (store (s8) into @g_54, align 2)
MVI %18, 0, 1 :: (store (s8) into @g_747, align 2)
MVGHI undef %44:addr64bit, 0, 0 :: (store (s64) into `i64* undef`)
%45:gr64bit = LG $noreg, 0, $noreg :: (load (s64) from %ir.tmp36)
%46:addr64bit = LG killed %39, 0, $noreg :: (load (s64) from %ir.tmp27)
STG killed %45, killed %46, 0, $noreg :: (store (s64) into %ir.tmp38)
STHRL %5, @g_189 :: (store (s16) into @g_189)
%47:grx32bit = LHIMux 0
%48:grx32bit = COPY killed %47
J %bb.8
bb.7.bb39:
%48:grx32bit = IMPLICIT_DEF
bb.8.bb40:
successors: %bb.1(0x7fffffff), %bb.9(0x00000001)
%49:grx32bit = COPY killed %48
dead %50:grx32bit = LBMux killed %27, 0, $noreg :: (volatile load (s8) from %ir.tmp12)
%51:grx32bit = COPY killed %24
%51:grx32bit = AHIMux %51, 1, implicit-def dead $cc
%52:grx32bit = LHIMux 0
CHIMux %52, 0, implicit-def $cc
%19:grx32bit = COPY killed %51
%20:gr32bit = COPY killed %49
%21:grx32bit = COPY killed %52
BRC 14, 6, %bb.1, implicit killed $cc
J %bb.9
bb.9.bb44:
...