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621386835e
Without this change, names start with 'L' will get created as temporary symbol in MCContext::createSymbol. Some other potential prefix considered: .L, does not work for AIX, as a function start with L will end up with .L as prefix for its function entry point. ..L could work, but it does not play well with the convention on AIX that anything start with '.' are considered as entry point. L. could work, but not sure if it's safe enough, as it's possible to have suffixes like .something append to a plain L, giving L.something which is not necessarily a temporary. That's why we picked L.. for now. Differential Revision: https://reviews.llvm.org/D80831
46 lines
1.1 KiB
LLVM
46 lines
1.1 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc64-ibm-aix-xcoff \
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; RUN: -code-model=small < %s | FileCheck %s --check-prefixes=CHECK,SMALL
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; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc64-ibm-aix-xcoff \
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; RUN: -code-model=large < %s | FileCheck %s --check-prefixes=CHECK,LARGE
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@a = common global i32 0
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define zeroext i32 @test_load() {
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entry:
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%0 = load i32, i32* @a
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ret i32 %0
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}
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; SMALL-LABEL: .test_load:{{$}}
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; SMALL: ld [[REG1:[0-9]+]], L..C0(2)
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; SMALL: lwz [[REG2:[0-9]+]], 0([[REG1]])
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; SMALL: blr
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; LARGE-LABEL: .test_load:{{$}}
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; LARGE: addis [[REG1:[0-9]+]], L..C0@u(2)
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; LARGE: ld [[REG2:[0-9]+]], L..C0@l([[REG1]])
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; LARGE: lwz [[REG3:[0-9]+]], 0([[REG2]])
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; LARGE: blr
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@b = common global i32 0
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define void @test_store(i32 zeroext %0) {
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store i32 %0, i32* @b
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ret void
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}
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; SMALL-LABEL: .test_store:{{$}}
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; SMALL: ld [[REG1:[0-9]+]], L..C1(2)
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; SMALL: stw [[REG2:[0-9]+]], 0([[REG1]])
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; SMALL: blr
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; LARGE-LABEL: .test_store:{{$}}
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; LARGE: addis [[REG1:[0-9]+]], L..C1@u(2)
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; LARGE: ld [[REG2:[0-9]+]], L..C1@l([[REG1]])
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; LARGE: stw [[REG3:[0-9]+]], 0([[REG2]])
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; LARGE: blr
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; CHECK: .tc a[TC],a
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; CHECK: .tc b[TC],b
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