forked from OSchip/llvm-project
46 lines
1.1 KiB
LLVM
46 lines
1.1 KiB
LLVM
; RUN: opt < %s -argpromotion -S | FileCheck %s
|
|
; PR36543
|
|
|
|
; Don't promote arguments of musttail callee
|
|
|
|
%T = type { i32, i32, i32, i32 }
|
|
|
|
; CHECK-LABEL: define internal i32 @test(%T* %p)
|
|
define internal i32 @test(%T* %p) {
|
|
%a.gep = getelementptr %T, %T* %p, i64 0, i32 3
|
|
%b.gep = getelementptr %T, %T* %p, i64 0, i32 2
|
|
%a = load i32, i32* %a.gep
|
|
%b = load i32, i32* %b.gep
|
|
%v = add i32 %a, %b
|
|
ret i32 %v
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @caller(%T* %p)
|
|
define i32 @caller(%T* %p) {
|
|
%v = musttail call i32 @test(%T* %p)
|
|
ret i32 %v
|
|
}
|
|
|
|
; Don't promote arguments of musttail caller
|
|
|
|
define i32 @foo(%T* %p, i32 %v) {
|
|
ret i32 0
|
|
}
|
|
|
|
; CHECK-LABEL: define internal i32 @test2(%T* %p, i32 %p2)
|
|
define internal i32 @test2(%T* %p, i32 %p2) {
|
|
%a.gep = getelementptr %T, %T* %p, i64 0, i32 3
|
|
%b.gep = getelementptr %T, %T* %p, i64 0, i32 2
|
|
%a = load i32, i32* %a.gep
|
|
%b = load i32, i32* %b.gep
|
|
%v = add i32 %a, %b
|
|
%ca = musttail call i32 @foo(%T* undef, i32 %v)
|
|
ret i32 %ca
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @caller2(%T* %g)
|
|
define i32 @caller2(%T* %g) {
|
|
%v = call i32 @test2(%T* %g, i32 0)
|
|
ret i32 %v
|
|
}
|