llvm-project/llvm/test/CodeGen/X86/basic-block-sections-pragma...

45 lines
1.5 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-pc-linux -basic-block-sections=all | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=all | FileCheck %s
; RUN: echo "!_Z3fooi" > %t.list.txt
; RUN: echo "!!2" >> %t.list.txt
; RUN: llc < %s -mtriple=x86_64-pc-linux -basic-block-sections=%t.list.txt | FileCheck %s --check-prefix=LIST
; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t.list.txt | FileCheck %s --check-prefix=LIST
; CHECK: .section foo_section,"ax",@progbits,unique,1
; CHECK-LABEL: _Z3fooi:
; CHECK: .section foo_section,"ax",@progbits,unique,2
; CHECK-NEXT: _Z3fooi.__part.1:
; CHECK: .section foo_section,"ax",@progbits,unique,3
; CHECK-NEXT: _Z3fooi.__part.2:
; LIST: .section foo_section,"ax",@progbits,unique,1
; LIST-LABEL: _Z3fooi:
; LIST: .section foo_section,"ax",@progbits,unique,2
; LIST-NEXT: _Z3fooi.__part.0:
; LIST-NOT: .section foo_section,"ax",@progbits,unique,3
;; Source to generate the IR:
;; #pragma clang section text = "foo_section"
;; int foo(int n) {
;; if (n < 0)
;; exit(-1);
;; return 0;
;; }
define dso_local i32 @_Z3fooi(i32 %n) local_unnamed_addr #0 {
entry:
%cmp = icmp slt i32 %n, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
tail call void @exit(i32 -1) #2
unreachable
if.end: ; preds = %entry
ret i32 0
}
declare dso_local void @exit(i32) local_unnamed_addr
attributes #0 = {"implicit-section-name"="foo_section" }