derek.holloway
7502bf64a4
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344 lines
14 KiB
LLVM
344 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -o - -verify-machineinstrs -O0 -global-isel -stop-after=localizer %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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@var1 = common global i32 0, align 4
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@var2 = common global i32 0, align 4
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@var3 = common global i32 0, align 4
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@var4 = common global i32 0, align 4
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; This is an ll test instead of MIR because -run-pass doesn't seem to support
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; initializing the target TTI which we need for this test.
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; Some of the instructions in entry block are dead after this pass so don't
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; strictly need to be checked for.
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define i32 @foo() {
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; CHECK-LABEL: name: foo
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[C:%[0-9]+]]:_(i32) = G_CONSTANT i32 2
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i32) = G_CONSTANT i32 3
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1
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; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i32) = G_LOAD [[GV2]](p0) :: (load (i32) from @var1)
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; CHECK-NEXT: [[C3:%[0-9]+]]:_(i32) = G_CONSTANT i32 1
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i32), [[C3]]
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; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.if.then:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: [[C4:%[0-9]+]]:_(i32) = G_CONSTANT i32 2
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; CHECK-NEXT: G_STORE [[C4]](i32), [[GV3]](p0) :: (store (i32) into @var2)
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; CHECK-NEXT: [[C5:%[0-9]+]]:_(i32) = G_CONSTANT i32 3
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; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1
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; CHECK-NEXT: G_STORE [[C5]](i32), [[GV4]](p0) :: (store (i32) into @var1)
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; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3
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; CHECK-NEXT: G_STORE [[C4]](i32), [[GV5]](p0) :: (store (i32) into @var3)
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; CHECK-NEXT: G_STORE [[C5]](i32), [[GV4]](p0) :: (store (i32) into @var1)
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.if.end:
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; CHECK-NEXT: [[C6:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: $w0 = COPY [[C6]](i32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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entry:
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%0 = load i32, ptr @var1, align 4
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%cmp = icmp eq i32 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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store i32 2, ptr @var2, align 4
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store i32 3, ptr @var1, align 4
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store i32 2, ptr @var3, align 4
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store i32 3, ptr @var1, align 4
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br label %if.end
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if.end:
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ret i32 0
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}
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@tls_gv = common thread_local global i32 0, align 4
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; This test checks that we don't try to localize TLS variables on Darwin.
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; If the user happens to be inside a call sequence, we could end up rematerializing
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; below a physreg write, clobbering it (TLS accesses on Darwin need a function call).
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; For now, we check we don't localize at all. We could in theory make sure that
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; we don't localize into the middle of a call sequence instead.
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define i32 @darwin_tls() {
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; CHECK-LABEL: name: darwin_tls
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @tls_gv
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: [[C:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1
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; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i32) = G_LOAD [[GV2]](p0) :: (load (i32) from @var1)
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i32) = G_CONSTANT i32 1
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i32), [[C1]]
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; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.if.then:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(i32) = G_LOAD [[GV]](p0) :: (load (i32) from @tls_gv)
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; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: G_STORE [[LOAD1]](i32), [[GV3]](p0) :: (store (i32) into @var2)
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.if.end:
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: $w0 = COPY [[C2]](i32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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entry:
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%0 = load i32, ptr @var1, align 4
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%cmp = icmp eq i32 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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%tls = load i32, ptr @tls_gv, align 4
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store i32 %tls, ptr @var2, align 4
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br label %if.end
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if.end:
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ret i32 0
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}
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define i32 @imm_cost_too_large_cost_of_2() {
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; CHECK-LABEL: name: imm_cost_too_large_cost_of_2
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3
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; CHECK-NEXT: [[C:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1
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; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i32) = G_LOAD [[GV2]](p0) :: (load (i32) from @var1)
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i32) = G_CONSTANT i32 -2228259
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; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(i32) = G_CONSTANT_FOLD_BARRIER [[C1]]
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(i32) = G_CONSTANT i32 1
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i32), [[C2]]
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; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.if.then:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i32), [[GV3]](p0) :: (store (i32) into @var2)
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.if.then2:
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; CHECK-NEXT: successors: %bb.4(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i32), [[GV4]](p0) :: (store (i32) into @var1)
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.if.end:
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; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i32), [[GV5]](p0) :: (store (i32) into @var3)
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; CHECK-NEXT: [[C3:%[0-9]+]]:_(i32) = G_CONSTANT i32 0
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; CHECK-NEXT: $w0 = COPY [[C3]](i32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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entry:
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%0 = load i32, ptr @var1, align 4
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%cst1 = bitcast i32 -2228259 to i32
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%cmp = icmp eq i32 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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store i32 %cst1, ptr @var2
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br label %if.then2
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if.then2:
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store i32 %cst1, ptr @var1
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br label %if.end
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if.end:
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store i32 %cst1, ptr @var3
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ret i32 0
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}
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define i64 @imm_cost_too_large_cost_of_4() {
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; CHECK-LABEL: name: imm_cost_too_large_cost_of_4
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64
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; CHECK-NEXT: [[C:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
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; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i64) = G_LOAD [[GV2]](p0) :: (load (i64) from @var1_64, align 4)
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 -2228259
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; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(i64) = G_CONSTANT_FOLD_BARRIER [[C1]]
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(i64) = G_CONSTANT i64 1
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i64), [[C2]]
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; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.if.then:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i64), [[GV3]](p0) :: (store (i64) into @var2_64)
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.if.then2:
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; CHECK-NEXT: successors: %bb.4(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i64), [[GV4]](p0) :: (store (i64) into @var1_64)
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.if.end:
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; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64
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; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](i64), [[GV5]](p0) :: (store (i64) into @var3_64)
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; CHECK-NEXT: [[C3:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
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; CHECK-NEXT: $x0 = COPY [[C3]](i64)
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; CHECK-NEXT: RET_ReallyLR implicit $x0
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entry:
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%0 = load i64, ptr @var1_64, align 4
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%cst1 = bitcast i64 -2228259 to i64
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%cmp = icmp eq i64 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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store i64 %cst1, ptr @var2_64
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br label %if.then2
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if.then2:
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store i64 %cst1, ptr @var1_64
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br label %if.end
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if.end:
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store i64 %cst1, ptr @var3_64
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ret i64 0
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}
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define i64 @f64_imm_cost_too_high(double %a) {
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; CHECK-LABEL: name: f64_imm_cost_too_high
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: liveins: $d0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[C:%[0-9]+]]:_(f64) = G_FCONSTANT double 1.000000e-02
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
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; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i64) = G_LOAD [[GV2]](p0) :: (load (i64) from @var1_64, align 4)
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(i64) = G_CONSTANT i64 1
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i64), [[C2]]
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; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.if.then:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64
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; CHECK-NEXT: G_STORE [[C]](f64), [[GV3]](p0) :: (store (f64) into @var2_64)
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; CHECK-NEXT: G_BR %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.if.then2:
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; CHECK-NEXT: successors: %bb.4(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
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; CHECK-NEXT: G_STORE [[C]](f64), [[GV4]](p0) :: (store (f64) into @var1_64)
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; CHECK-NEXT: G_BR %bb.4
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.if.end:
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; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64
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; CHECK-NEXT: G_STORE [[C]](f64), [[GV5]](p0) :: (store (f64) into @var3_64)
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; CHECK-NEXT: [[C3:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
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; CHECK-NEXT: $x0 = COPY [[C3]](i64)
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; CHECK-NEXT: RET_ReallyLR implicit $x0
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entry:
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%0 = load i64, ptr @var1_64, align 4
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%cmp = icmp eq i64 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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store double 1.000000e-02, ptr @var2_64
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br label %if.then2
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if.then2:
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store double 1.000000e-02, ptr @var1_64
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br label %if.end
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if.end:
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store double 1.000000e-02, ptr @var3_64
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ret i64 0
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}
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define i64 @f64_imm_cheap(double %a) {
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; CHECK-LABEL: name: f64_imm_cheap
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; CHECK: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: liveins: $d0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[C:%[0-9]+]]:_(f64) = G_FCONSTANT double 0.000000e+00
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
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; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
|
|
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(i64) = G_LOAD [[GV2]](p0) :: (load (i64) from @var1_64, align 4)
|
|
; CHECK-NEXT: [[C2:%[0-9]+]]:_(i64) = G_CONSTANT i64 1
|
|
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(i1) = G_ICMP intpred(eq), [[LOAD]](i64), [[C2]]
|
|
; CHECK-NEXT: G_BRCOND [[ICMP]](i1), %bb.2
|
|
; CHECK-NEXT: G_BR %bb.4
|
|
; 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]+]]:_(f64) = G_FCONSTANT double 0.000000e+00
|
|
; CHECK-NEXT: G_STORE [[C3]](f64), [[GV3]](p0) :: (store (f64) 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]+]]:_(f64) = G_FCONSTANT double 0.000000e+00
|
|
; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64
|
|
; CHECK-NEXT: G_STORE [[C4]](f64), [[GV4]](p0) :: (store (f64) 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]+]]:_(f64) = G_FCONSTANT double 0.000000e+00
|
|
; CHECK-NEXT: G_STORE [[C5]](f64), [[GV5]](p0) :: (store (f64) into @var3_64)
|
|
; CHECK-NEXT: [[C6:%[0-9]+]]:_(i64) = G_CONSTANT i64 0
|
|
; CHECK-NEXT: $x0 = COPY [[C6]](i64)
|
|
; 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
|