xref: /llvm-project/llvm/test/Transforms/ArgumentPromotion/control-flow2.ll (revision bcbc6151640f53e9d78392c66de9760c664d8b1d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
2; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
3
4target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
5
6define internal i32 @callee(i1 %C, ptr %P) {
7; CHECK-LABEL: define {{[^@]+}}@callee
8; CHECK-SAME: (i1 [[C:%.*]], i32 [[P_0_VAL:%.*]]) {
9; CHECK-NEXT:    br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
10; CHECK:       T:
11; CHECK-NEXT:    ret i32 17
12; CHECK:       F:
13; CHECK-NEXT:    ret i32 [[P_0_VAL]]
14;
15  br i1 %C, label %T, label %F
16
17T:              ; preds = %0
18  ret i32 17
19
20F:              ; preds = %0
21  %X = load i32, ptr %P               ; <i32> [#uses=1]
22  ret i32 %X
23}
24
25define i32 @foo() {
26; CHECK-LABEL: define {{[^@]+}}@foo() {
27; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
28; CHECK-NEXT:    store i32 17, ptr [[A]], align 4
29; CHECK-NEXT:    [[A_VAL:%.*]] = load i32, ptr [[A]], align 4
30; CHECK-NEXT:    [[X:%.*]] = call i32 @callee(i1 false, i32 [[A_VAL]])
31; CHECK-NEXT:    ret i32 [[X]]
32;
33  %A = alloca i32         ; <ptr> [#uses=2]
34  store i32 17, ptr %A
35  %X = call i32 @callee( i1 false, ptr %A )              ; <i32> [#uses=1]
36  ret i32 %X
37}
38
39