forked from OSchip/llvm-project
35 lines
779 B
LLVM
35 lines
779 B
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
|
|
; PR36546
|
|
|
|
; Check that musttail callee preserves its calling convention
|
|
|
|
define i32 @test(i32 %a) {
|
|
; CHECK: %ca = musttail call i32 @foo(i32 %a)
|
|
%ca = musttail call i32 @foo(i32 %a)
|
|
ret i32 %ca
|
|
}
|
|
|
|
; CHECK-LABEL: define internal i32 @foo(i32 %a)
|
|
define internal i32 @foo(i32 %a) {
|
|
ret i32 %a
|
|
}
|
|
|
|
; Check that musttail caller preserves its calling convention
|
|
|
|
define i32 @test2(i32 %a) {
|
|
%ca = call i32 @foo1(i32 %a)
|
|
ret i32 %ca
|
|
}
|
|
|
|
; CHECK-LABEL: define internal i32 @foo1(i32 %a)
|
|
define internal i32 @foo1(i32 %a) {
|
|
; CHECK: %ca = musttail call i32 @foo2(i32 %a)
|
|
%ca = musttail call i32 @foo2(i32 %a)
|
|
ret i32 %ca
|
|
}
|
|
|
|
; CHECK-LABEL: define internal i32 @foo2(i32 %a)
|
|
define internal i32 @foo2(i32 %a) {
|
|
ret i32 %a
|
|
}
|