241 lines
10 KiB
YAML
241 lines
10 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=DEFAULT,CHECK
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# RUN: llc -mtriple aarch64-apple-darwin -code-model=large -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=LARGE-MACHO,CHECK
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# RUN: llc -mtriple aarch64-apple-darwin -code-model=small -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=SMALL-MACHO,CHECK
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# RUN: llc -mtriple aarch64-linux-elf -code-model=large -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=LARGE-ELF,CHECK
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# RUN: llc -mtriple aarch64-linux-elf -code-model=tiny -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=TINY,CHECK
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# RUN: llc -mtriple aarch64-windows-coff -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=WINDOWS,CHECK
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# Each of these tests has a trivial pattern for folding a G_PTR_ADD into a
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# G_GLOBAL_VALUE.
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#
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# Check that given different code models/target features, we do/don't fold.
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--- |
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@external_linkage = external hidden global i32
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@common_linkage = common local_unnamed_addr global i32 0, align 4
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@internal_linkage = internal unnamed_addr global i32 0, align 4
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@extern_weak_linkage = extern_weak hidden global i32
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@dll_import = external dllimport global i32
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define void @test_external_linkage() { ret void }
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define void @test_internal_linkage() { ret void }
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define void @test_common_linkage() { ret void }
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define void @test_extern_weak_linkage() { ret void }
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define void @never_fold_tagged_globals() #0 { ret void }
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define void @test_dll_import() { ret void }
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attributes #0 = { "target-features"="+tagged-globals" }
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...
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---
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name: test_external_linkage
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; Large + Mach-O goes via GOT, so we can't fold.
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; DEFAULT-LABEL: name: test_external_linkage
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; DEFAULT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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; DEFAULT: $x0 = COPY [[GV]](p0)
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; DEFAULT: RET_ReallyLR implicit $x0
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; LARGE-MACHO-LABEL: name: test_external_linkage
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; LARGE-MACHO: %global:_(p0) = G_GLOBAL_VALUE @external_linkage
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; LARGE-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-MACHO: $x0 = COPY %ptr_add(p0)
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; LARGE-MACHO: RET_ReallyLR implicit $x0
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; SMALL-MACHO-LABEL: name: test_external_linkage
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; SMALL-MACHO: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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; SMALL-MACHO: $x0 = COPY [[GV]](p0)
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; SMALL-MACHO: RET_ReallyLR implicit $x0
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; LARGE-ELF-LABEL: name: test_external_linkage
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; LARGE-ELF: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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; LARGE-ELF: $x0 = COPY [[GV]](p0)
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; LARGE-ELF: RET_ReallyLR implicit $x0
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; TINY-LABEL: name: test_external_linkage
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; TINY: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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; TINY: $x0 = COPY [[GV]](p0)
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; TINY: RET_ReallyLR implicit $x0
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; WINDOWS-LABEL: name: test_external_linkage
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; WINDOWS: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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; WINDOWS: $x0 = COPY [[GV]](p0)
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; WINDOWS: RET_ReallyLR implicit $x0
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%global:_(p0) = G_GLOBAL_VALUE @external_linkage
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: test_internal_linkage
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; Large + Mach-O goes via GOT, so we can't fold.
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; DEFAULT-LABEL: name: test_internal_linkage
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; DEFAULT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @internal_linkage + 1
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; DEFAULT: $x0 = COPY [[GV]](p0)
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; DEFAULT: RET_ReallyLR implicit $x0
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; LARGE-MACHO-LABEL: name: test_internal_linkage
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; LARGE-MACHO: %global:_(p0) = G_GLOBAL_VALUE @internal_linkage
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; LARGE-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-MACHO: $x0 = COPY %ptr_add(p0)
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; LARGE-MACHO: RET_ReallyLR implicit $x0
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; SMALL-MACHO-LABEL: name: test_internal_linkage
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; SMALL-MACHO: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @internal_linkage + 1
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; SMALL-MACHO: $x0 = COPY [[GV]](p0)
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; SMALL-MACHO: RET_ReallyLR implicit $x0
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; LARGE-ELF-LABEL: name: test_internal_linkage
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; LARGE-ELF: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @internal_linkage + 1
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; LARGE-ELF: $x0 = COPY [[GV]](p0)
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; LARGE-ELF: RET_ReallyLR implicit $x0
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; TINY-LABEL: name: test_internal_linkage
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; TINY: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @internal_linkage + 1
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; TINY: $x0 = COPY [[GV]](p0)
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; TINY: RET_ReallyLR implicit $x0
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; WINDOWS-LABEL: name: test_internal_linkage
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; WINDOWS: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @internal_linkage + 1
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; WINDOWS: $x0 = COPY [[GV]](p0)
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; WINDOWS: RET_ReallyLR implicit $x0
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%global:_(p0) = G_GLOBAL_VALUE @internal_linkage
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: test_common_linkage
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; DEFAULT-LABEL: name: test_common_linkage
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; DEFAULT: %global:_(p0) = G_GLOBAL_VALUE @common_linkage
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; DEFAULT: %imm:_(s64) = G_CONSTANT i64 1
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; DEFAULT: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; DEFAULT: $x0 = COPY %ptr_add(p0)
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; DEFAULT: RET_ReallyLR implicit $x0
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; LARGE-MACHO-LABEL: name: test_common_linkage
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; LARGE-MACHO: %global:_(p0) = G_GLOBAL_VALUE @common_linkage
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; LARGE-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-MACHO: $x0 = COPY %ptr_add(p0)
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; LARGE-MACHO: RET_ReallyLR implicit $x0
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; SMALL-MACHO-LABEL: name: test_common_linkage
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; SMALL-MACHO: %global:_(p0) = G_GLOBAL_VALUE @common_linkage
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; SMALL-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; SMALL-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; SMALL-MACHO: $x0 = COPY %ptr_add(p0)
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; SMALL-MACHO: RET_ReallyLR implicit $x0
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; LARGE-ELF-LABEL: name: test_common_linkage
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; LARGE-ELF: %global:_(p0) = G_GLOBAL_VALUE @common_linkage
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; LARGE-ELF: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-ELF: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-ELF: $x0 = COPY %ptr_add(p0)
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; LARGE-ELF: RET_ReallyLR implicit $x0
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; TINY-LABEL: name: test_common_linkage
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; TINY: %global:_(p0) = G_GLOBAL_VALUE @common_linkage
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; TINY: %imm:_(s64) = G_CONSTANT i64 1
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; TINY: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; TINY: $x0 = COPY %ptr_add(p0)
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; TINY: RET_ReallyLR implicit $x0
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; WINDOWS-LABEL: name: test_common_linkage
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; WINDOWS: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @common_linkage + 1
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; WINDOWS: $x0 = COPY [[GV]](p0)
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; WINDOWS: RET_ReallyLR implicit $x0
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%global:_(p0) = G_GLOBAL_VALUE @common_linkage
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: test_extern_weak_linkage
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; DEFAULT-LABEL: name: test_extern_weak_linkage
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; DEFAULT: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; DEFAULT: %imm:_(s64) = G_CONSTANT i64 1
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; DEFAULT: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; DEFAULT: $x0 = COPY %ptr_add(p0)
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; DEFAULT: RET_ReallyLR implicit $x0
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; LARGE-MACHO-LABEL: name: test_extern_weak_linkage
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; LARGE-MACHO: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; LARGE-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-MACHO: $x0 = COPY %ptr_add(p0)
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; LARGE-MACHO: RET_ReallyLR implicit $x0
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; SMALL-MACHO-LABEL: name: test_extern_weak_linkage
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; SMALL-MACHO: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; SMALL-MACHO: %imm:_(s64) = G_CONSTANT i64 1
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; SMALL-MACHO: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; SMALL-MACHO: $x0 = COPY %ptr_add(p0)
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; SMALL-MACHO: RET_ReallyLR implicit $x0
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; LARGE-ELF-LABEL: name: test_extern_weak_linkage
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; LARGE-ELF: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; LARGE-ELF: %imm:_(s64) = G_CONSTANT i64 1
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; LARGE-ELF: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; LARGE-ELF: $x0 = COPY %ptr_add(p0)
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; LARGE-ELF: RET_ReallyLR implicit $x0
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; TINY-LABEL: name: test_extern_weak_linkage
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; TINY: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; TINY: %imm:_(s64) = G_CONSTANT i64 1
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; TINY: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; TINY: $x0 = COPY %ptr_add(p0)
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; TINY: RET_ReallyLR implicit $x0
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; WINDOWS-LABEL: name: test_extern_weak_linkage
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; WINDOWS: %global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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; WINDOWS: %imm:_(s64) = G_CONSTANT i64 1
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; WINDOWS: %ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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; WINDOWS: $x0 = COPY %ptr_add(p0)
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; WINDOWS: RET_ReallyLR implicit $x0
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%global:_(p0) = G_GLOBAL_VALUE @extern_weak_linkage
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: never_fold_tagged_globals
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; CHECK-LABEL: name: never_fold_tagged_globals
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; CHECK-NOT: %global:_(p0) = G_GLOBAL_VALUE @external_linkage + 1
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%global:_(p0) = G_GLOBAL_VALUE @external_linkage
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: test_dll_import
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alignment: 4
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tracksRegLiveness: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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; CHECK-LABEL: name: test_dll_import
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; CHECK-NOT: %global:_(p0) = G_GLOBAL_VALUE @dll_import + 1
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%global:_(p0) = G_GLOBAL_VALUE @dll_import
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%imm:_(s64) = G_CONSTANT i64 1
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%ptr_add:_(p0) = G_PTR_ADD %global, %imm(s64)
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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