; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py ; RUN: llc -o - -verify-machineinstrs -O0 -global-isel -stop-after=localizer %s | FileCheck %s target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" target triple = "arm64-apple-ios5.0.0" @var1 = common global i32 0, align 4 @var2 = common global i32 0, align 4 @var3 = common global i32 0, align 4 @var4 = common global i32 0, align 4 ; This is an ll test instead of MIR because -run-pass doesn't seem to support ; initializing the target TTI which we need for this test. ; Some of the instructions in entry block are dead after this pass so don't ; strictly need to be checked for. define i32 @foo() { ; CHECK-LABEL: name: foo ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 3 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1) ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C3]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.3 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 ; CHECK-NEXT: G_STORE [[C4]](s32), [[GV3]](p0) :: (store (s32) into @var2) ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 3 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1 ; CHECK-NEXT: G_STORE [[C5]](s32), [[GV4]](p0) :: (store (s32) into @var1) ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3 ; CHECK-NEXT: G_STORE [[C4]](s32), [[GV5]](p0) :: (store (s32) into @var3) ; CHECK-NEXT: G_STORE [[C5]](s32), [[GV4]](p0) :: (store (s32) into @var1) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.end: ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: $w0 = COPY [[C6]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 entry: %0 = load i32, ptr @var1, align 4 %cmp = icmp eq i32 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: store i32 2, ptr @var2, align 4 store i32 3, ptr @var1, align 4 store i32 2, ptr @var3, align 4 store i32 3, ptr @var1, align 4 br label %if.end if.end: ret i32 0 } @tls_gv = common thread_local global i32 0, align 4 ; This test checks that we don't try to localize TLS variables on Darwin. ; If the user happens to be inside a call sequence, we could end up rematerializing ; below a physreg write, clobbering it (TLS accesses on Darwin need a function call). ; For now, we check we don't localize at all. We could in theory make sure that ; we don't localize into the middle of a call sequence instead. define i32 @darwin_tls() { ; CHECK-LABEL: name: darwin_tls ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @tls_gv ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1) ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C1]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.3 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load (s32) from @tls_gv) ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: G_STORE [[LOAD1]](s32), [[GV3]](p0) :: (store (s32) into @var2) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.end: ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: $w0 = COPY [[C2]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 entry: %0 = load i32, ptr @var1, align 4 %cmp = icmp eq i32 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: %tls = load i32, ptr @tls_gv, align 4 store i32 %tls, ptr @var2, align 4 br label %if.end if.end: ret i32 0 } define i32 @imm_cost_too_large_cost_of_2() { ; CHECK-LABEL: name: imm_cost_too_large_cost_of_2 ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1) ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -2228259 ; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(s32) = G_CONSTANT_FOLD_BARRIER [[C1]] ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C2]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV3]](p0) :: (store (s32) into @var2) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.then2: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV4]](p0) :: (store (s32) into @var1) ; CHECK-NEXT: G_BR %bb.4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.if.end: ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV5]](p0) :: (store (s32) into @var3) ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: $w0 = COPY [[C3]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 entry: %0 = load i32, ptr @var1, align 4 %cst1 = bitcast i32 -2228259 to i32 %cmp = icmp eq i32 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: store i32 %cst1, ptr @var2 br label %if.then2 if.then2: store i32 %cst1, ptr @var1 br label %if.end if.end: store i32 %cst1, ptr @var3 ret i32 0 } define i64 @imm_cost_too_large_cost_of_4() { ; CHECK-LABEL: name: imm_cost_too_large_cost_of_4 ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4) ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -2228259 ; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(s64) = G_CONSTANT_FOLD_BARRIER [[C1]] ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV3]](p0) :: (store (s64) into @var2_64) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.then2: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV4]](p0) :: (store (s64) into @var1_64) ; CHECK-NEXT: G_BR %bb.4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.if.end: ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV5]](p0) :: (store (s64) into @var3_64) ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: $x0 = COPY [[C3]](s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 entry: %0 = load i64, ptr @var1_64, align 4 %cst1 = bitcast i64 -2228259 to i64 %cmp = icmp eq i64 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: store i64 %cst1, ptr @var2_64 br label %if.then2 if.then2: store i64 %cst1, ptr @var1_64 br label %if.end if.end: store i64 %cst1, ptr @var3_64 ret i64 0 } define i64 @f64_imm_cost_too_high(double %a) { ; CHECK-LABEL: name: f64_imm_cost_too_high ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000) ; CHECK-NEXT: liveins: $d0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 1.000000e-02 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4) ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV3]](p0) :: (store (s64) into @var2_64) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.then2: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV4]](p0) :: (store (s64) into @var1_64) ; CHECK-NEXT: G_BR %bb.4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.if.end: ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV5]](p0) :: (store (s64) into @var3_64) ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: $x0 = COPY [[C3]](s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 entry: %0 = load i64, ptr @var1_64, align 4 %cmp = icmp eq i64 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: store double 1.000000e-02, ptr @var2_64 br label %if.then2 if.then2: store double 1.000000e-02, ptr @var1_64 br label %if.end if.end: store double 1.000000e-02, ptr @var3_64 ret i64 0 } define i64 @f64_imm_cheap(double %a) { ; CHECK-LABEL: name: f64_imm_cheap ; CHECK: bb.1.entry: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000) ; CHECK-NEXT: liveins: $d0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4) ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]] ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4 ; CHECK-NEXT: G_BR %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.if.then: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00 ; CHECK-NEXT: G_STORE [[C3]](s64), [[GV3]](p0) :: (store (s64) into @var2_64) ; CHECK-NEXT: G_BR %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.if.then2: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64 ; CHECK-NEXT: G_STORE [[C4]](s64), [[GV4]](p0) :: (store (s64) into @var1_64) ; CHECK-NEXT: G_BR %bb.4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.if.end: ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64 ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00 ; CHECK-NEXT: G_STORE [[C5]](s64), [[GV5]](p0) :: (store (s64) into @var3_64) ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: $x0 = COPY [[C6]](s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 entry: %0 = load i64, ptr @var1_64, align 4 %cmp = icmp eq i64 %0, 1 br i1 %cmp, label %if.then, label %if.end if.then: store double 0.0, ptr @var2_64 br label %if.then2 if.then2: store double 0.0, ptr @var1_64 br label %if.end if.end: store double 0.0, ptr @var3_64 ret i64 0 } @var1_64 = common global i64 0, align 4 @var2_64 = common global i64 0, align 4 @var3_64 = common global i64 0, align 4