llvm-project

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// This test checks that reorder-data pass puts new hot .data section
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// to the writable segment.
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// Use -fPIC -pie to prevent the globals being put in .sdata instead of .data on
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// RISC-V.
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// RUN: %clang %cflags -fPIC -pie -O3 -nostdlib -Wl,-q %s -o %t.exe
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// RUN: llvm-bolt %t.exe -o %t.bolt --reorder-data=".data" \
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// RUN:   -data %S/Inputs/reorder-data-writable-ptload.fdata
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// RUN: llvm-readelf -SlW %t.bolt | FileCheck %s
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// CHECK: .bolt.org.data
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// CHECK: {{.*}} .data PROGBITS [[#%x,ADDR:]] [[#%x,OFF:]]
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// CHECK: LOAD 0x{{.*}}[[#OFF]] 0x{{.*}}[[#ADDR]] {{.*}} RW
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volatile int cold1 = 42;
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volatile int hot1 = 42;
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volatile int cold2 = 42;
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volatile int cold3 = 42;
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void _start() {
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  hot1++;
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  _start();
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}
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