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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
; PR36543
; Don't promote arguments of musttail callee
%T = type { i32, i32, i32, i32 }
define internal i32 @test(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@test
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], ptr [[P]], i64 0, i32 3
; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], ptr [[P]], i64 0, i32 2
; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[A_GEP]], align 4
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[B_GEP]], align 4
; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]]
; CHECK-NEXT: ret i32 [[V]]
;
%a.gep = getelementptr %T, ptr %p, i64 0, i32 3
%b.gep = getelementptr %T, ptr %p, i64 0, i32 2
%a = load i32, ptr %a.gep
%b = load i32, ptr %b.gep
%v = add i32 %a, %b
ret i32 %v
}
define i32 @caller(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@caller
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT: [[V:%.*]] = musttail call i32 @test(ptr [[P]])
; CHECK-NEXT: ret i32 [[V]]
;
%v = musttail call i32 @test(ptr %p)
ret i32 %v
}
; Don't promote arguments of musttail caller
define i32 @foo(ptr %p, i32 %v) {
; CHECK-LABEL: define {{[^@]+}}@foo
; CHECK-SAME: (ptr [[P:%.*]], i32 [[V:%.*]]) {
; CHECK-NEXT: ret i32 0
;
ret i32 0
}
define internal i32 @test2(ptr %p, i32 %p2) {
; CHECK-LABEL: define {{[^@]+}}@test2
; CHECK-SAME: (ptr [[P:%.*]], i32 [[P2:%.*]]) {
; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], ptr [[P]], i64 0, i32 3
; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], ptr [[P]], i64 0, i32 2
; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[A_GEP]], align 4
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[B_GEP]], align 4
; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]]
; CHECK-NEXT: [[CA:%.*]] = musttail call i32 @foo(ptr undef, i32 [[V]])
; CHECK-NEXT: ret i32 [[CA]]
;
%a.gep = getelementptr %T, ptr %p, i64 0, i32 3
%b.gep = getelementptr %T, ptr %p, i64 0, i32 2
%a = load i32, ptr %a.gep
%b = load i32, ptr %b.gep
%v = add i32 %a, %b
%ca = musttail call i32 @foo(ptr undef, i32 %v)
ret i32 %ca
}
define i32 @caller2(ptr %g) {
; CHECK-LABEL: define {{[^@]+}}@caller2
; CHECK-SAME: (ptr [[G:%.*]]) {
; CHECK-NEXT: [[V:%.*]] = call i32 @test2(ptr [[G]], i32 0)
; CHECK-NEXT: ret i32 [[V]]
;
%v = call i32 @test2(ptr %g, i32 0)
ret i32 %v
}
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