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llvm-mirror/test/CodeGen/ARM/clang-section.ll
Javed Absar 65d30b4ca5 Add support for #pragma clang section
This patch provides a means to specify section-names for global variables,
functions and static variables, using #pragma directives.
This feature is only defined to work sensibly for ELF targets.
One can specify section names as:
#pragma clang section bss="myBSS" data="myData" rodata="myRodata" text="myText"
One can "unspecify" a section name with empty string e.g.
#pragma clang section bss="" data="" text="" rodata=""

Reviewers: Roger Ferrer, Jonathan Roelofs, Reid Kleckner
Differential Revision: https://reviews.llvm.org/D33413

llvm-svn: 304704
2017-06-05 10:09:13 +00:00

141 lines
5.3 KiB
LLVM

;RUN: llc -mtriple=armv7-eabi %s -o - | FileCheck %s
;Test that global variables and functions are assigned to correct sections.
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7-arm-none-eabi"
@a = global i32 0, align 4 #0
@b = global i32 1, align 4 #0
@c = global [4 x i32] zeroinitializer, align 4 #0
@d = global [5 x i16] zeroinitializer, align 2 #0
@e = global [6 x i16] [i16 0, i16 0, i16 1, i16 0, i16 0, i16 0], align 2 #0
@f = constant i32 2, align 4 #0
@h = global i32 0, align 4 #1
@i = global i32 0, align 4 #2
@j = constant i32 4, align 4 #2
@k = global i32 0, align 4 #2
@_ZZ3gooE7lstat_h = internal global i32 0, align 4 #2
@_ZL1g = internal global [2 x i32] zeroinitializer, align 4 #0
@l = global i32 5, align 4 #3
@m = constant i32 6, align 4 #3
@n = global i32 0, align 4
@o = global i32 6, align 4
@p = constant i32 7, align 4
; Function Attrs: noinline nounwind
define i32 @foo() #4 {
entry:
%0 = load i32, i32* @b, align 4
ret i32 %0
}
; Function Attrs: noinline
define i32 @goo() #5 {
entry:
%call = call i32 @zoo(i32* getelementptr inbounds ([2 x i32], [2 x i32]* @_ZL1g, i32 0, i32 0), i32* @_ZZ3gooE7lstat_h)
ret i32 %call
}
declare i32 @zoo(i32*, i32*) #6
; Function Attrs: noinline nounwind
define i32 @hoo() #7 {
entry:
%0 = load i32, i32* @b, align 4
ret i32 %0
}
attributes #0 = { "bss-section"="my_bss.1" "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
attributes #1 = { "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
attributes #2 = { "bss-section"="my_bss.2" "rodata-section"="my_rodata.1" }
attributes #3 = { "bss-section"="my_bss.2" "data-section"="my_data.2" "rodata-section"="my_rodata.2" }
attributes #4 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "implicit-section-name"="my_text.1" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #5 = { noinline "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "implicit-section-name"="my_text.2" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #6 = { "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #7 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0, !1, !2, !3}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"static_rwdata", i32 1}
!2 = !{i32 1, !"enumsize_buildattr", i32 2}
!3 = !{i32 1, !"armlib_unavailable", i32 0}
;CHECK: .section my_text.1,"ax",%progbits
;CHECK: .type foo,%function
;CHECK: foo:
;CHECK: .section my_text.2,"ax",%progbits
;CHECK: .type goo,%function
;CHECK: goo:
;CHECK: .text
;CHECK: .type hoo,%function
;CHECK: hoo:
;CHECK: .type a,%object
;CHECK: .section my_bss.1,"aw",%nobits
;CHECK: a:
;CHECK: .type b,%object
;CHECK: .section my_data.1,"aw",%progbits
;CHECK: b:
;CHECK: .type c,%object
;CHECK: .section my_bss.1,"aw",%nobits
;CHECK: c:
;CHECK: .type d,%object
;CHECK: d:
;CHECK: .type e,%object
;CHECK: .section my_data.1,"aw",%progbits
;CHECK: e:
;CHECK: .type f,%object
;CHECK: .section my_rodata.1,"a",%progbits
;CHECK: f:
;CHECK: .type h,%object
;CHECK: .bss
;CHECK: h:
;CHECK: .type i,%object
;CHECK: .section my_bss.2,"aw",%nobits
;CHECK: i:
;CHECK: .type j,%object
;CHECK: .section my_rodata.1,"a",%progbits
;CHECK: j:
;CHECK: .type k,%object
;CHECK: .section my_bss.2,"aw",%nobits
;CHECK: k:
;CHECK: .type _ZZ3gooE7lstat_h,%object @ @_ZZ3gooE7lstat_h
;CHECK: _ZZ3gooE7lstat_h:
;CHECK: .type _ZL1g,%object
;CHECK: .section my_bss.1,"aw",%nobits
;CHECK: _ZL1g:
;CHECK: .type l,%object
;CHECK: .section my_data.2,"aw",%progbits
;CHECK: l:
;CHECK: .type m,%object
;CHECK: .section my_rodata.2,"a",%progbits
;CHECK: m:
;CHECK: .type n,%object
;CHECK: .bss
;CHECK: n:
;CHECK: .type o,%object
;CHECK: .data
;CHECK: o:
;CHECK: .type p,%object
;CHECK: .section .rodata,"a",%progbits
;CHECK: p: