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b6614b2353
Commit Message from @MaskRay:
Rust has a fragile embed-bitcode implementation
(bddb59cf07/compiler/rustc_codegen_llvm/src/back/write.rs (L970-L1017))
which relied on the previous LLVM MC behavior. Rust's LLVM fork
has carried a revert. This commit made the similar revert to help
distributions since they would otherwise probably carry a similar patch
(as they ship rust linked against system LLVM).
Fixes https://bugs.llvm.org/show_bug.cgi?id=51207.
Differential Revision: https://reviews.llvm.org/D107216
54 lines
1.5 KiB
LLVM
54 lines
1.5 KiB
LLVM
; RUN: llc < %s -march=mips -mcpu=mips32 -mips-ssection-threshold=8 \
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; RUN: -relocation-model=static -mattr=+noabicalls -mgpopt \
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; RUN: | FileCheck %s
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; Test that object with an explicit section that is not .sdata or .sbss are not
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; considered in the small data section if they would otherwise qualify to be in
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; small data section. Also test that explicitly placing something in the small
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; data section uses %gp_rel addressing mode.
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@a = global [2 x i32] zeroinitializer, section ".rodata", align 4
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@b = global [4 x i32] zeroinitializer, section ".sdata", align 4
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@c = global [4 x i32] zeroinitializer, section ".sbss", align 4
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; CHECK-LABEL: g
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; CHECK: lui $[[R:[0-9]+]], %hi(a)
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; CHECK: lw ${{[0-9]+}}, %lo(a)($[[R]])
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define i32 @g() {
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entry:
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%0 = load i32, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 0), align 4
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ret i32 %0
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}
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; CHECK-LABEL: f:
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; CHECK-LABEL: lw ${{[0-9]+}}, %gp_rel(b)($gp)
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define i32 @f() {
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entry:
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%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i32 0), align 4
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ret i32 %0
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}
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; CHECK-LABEL: h:
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; CHECK-LABEL: lw ${{[0-9]+}}, %gp_rel(c)($gp)
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define i32 @h() {
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entry:
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%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i32 0), align 4
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ret i32 %0
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}
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; CHECK: .type a,@object
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; CHECK: .section .rodata,"a",@progbits
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; CHECK: .globl a
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; CHECK: .type b,@object
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; CHECK: .section .sdata,"aw",@progbits
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; CHECK: .globl b
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; CHECK: .type c,@object
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; CHECK: .section .sbss,"aw",@nobits
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; CHECK: .globl c
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