xref: /llvm-project/llvm/test/Transforms/IROutliner/illegal-vaarg.ll (revision ab7dba233a058cc8310ef829929238b5d8440b30)
1cea80760SAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
29dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost -no-ir-sim-intrinsics < %s | FileCheck %s
3cea80760SAndrew Litteken
4cea80760SAndrew Litteken; This test ensures that we do not outline vararg instructions or intrinsics, as
5cea80760SAndrew Litteken; they may cause inconsistencies when outlining.
6cea80760SAndrew Litteken
7f4b925eeSMatt Arsenaultdeclare void @llvm.va_start(ptr)
8f4b925eeSMatt Arsenaultdeclare void @llvm.va_copy(ptr, ptr)
9f4b925eeSMatt Arsenaultdeclare void @llvm.va_end(ptr)
10cea80760SAndrew Litteken
11f4b925eeSMatt Arsenaultdefine i32 @func1(i32 %a, double %b, ptr %v, ...) nounwind {
12cea80760SAndrew Litteken; CHECK-LABEL: @func1(
13cea80760SAndrew Litteken; CHECK-NEXT:  entry:
14f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP_LOC:%.*]] = alloca i32, align 4
15cea80760SAndrew Litteken; CHECK-NEXT:    [[A_ADDR:%.*]] = alloca i32, align 4
16cea80760SAndrew Litteken; CHECK-NEXT:    [[B_ADDR:%.*]] = alloca double, align 8
17f4b925eeSMatt Arsenault; CHECK-NEXT:    [[AP:%.*]] = alloca ptr, align 4
18cea80760SAndrew Litteken; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
19f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(i32 [[A:%.*]], ptr [[A_ADDR]], double [[B:%.*]], ptr [[B_ADDR]])
20*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_start.p0(ptr [[AP]])
21f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP0:%.*]] = va_arg ptr [[AP]], i32
22*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_copy.p0(ptr [[V:%.*]], ptr [[AP]])
23*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_end.p0(ptr [[AP]])
24f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[TMP_LOC]])
25f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_1(i32 [[TMP0]], ptr [[C]], ptr [[TMP_LOC]])
26f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP_RELOAD:%.*]] = load i32, ptr [[TMP_LOC]], align 4
27f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[TMP_LOC]])
28f4b925eeSMatt Arsenault; CHECK-NEXT:    ret i32 [[TMP_RELOAD]]
29cea80760SAndrew Litteken;
30cea80760SAndrew Littekenentry:
31cea80760SAndrew Litteken  %a.addr = alloca i32, align 4
32cea80760SAndrew Litteken  %b.addr = alloca double, align 8
33f4b925eeSMatt Arsenault  %ap = alloca ptr, align 4
34cea80760SAndrew Litteken  %c = alloca i32, align 4
35f4b925eeSMatt Arsenault  store i32 %a, ptr %a.addr, align 4
36f4b925eeSMatt Arsenault  store double %b, ptr %b.addr, align 8
37f4b925eeSMatt Arsenault  call void @llvm.va_start(ptr %ap)
38f4b925eeSMatt Arsenault  %0 = va_arg ptr %ap, i32
39f4b925eeSMatt Arsenault  call void @llvm.va_copy(ptr %v, ptr %ap)
40f4b925eeSMatt Arsenault  call void @llvm.va_end(ptr %ap)
41f4b925eeSMatt Arsenault  store i32 %0, ptr %c, align 4
42f4b925eeSMatt Arsenault  %tmp = load i32, ptr %c, align 4
43cea80760SAndrew Litteken  ret i32 %tmp
44cea80760SAndrew Litteken}
45cea80760SAndrew Litteken
46f4b925eeSMatt Arsenaultdefine i32 @func2(i32 %a, double %b, ptr %v, ...) nounwind {
47cea80760SAndrew Litteken; CHECK-LABEL: @func2(
48cea80760SAndrew Litteken; CHECK-NEXT:  entry:
49f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP_LOC:%.*]] = alloca i32, align 4
50cea80760SAndrew Litteken; CHECK-NEXT:    [[A_ADDR:%.*]] = alloca i32, align 4
51cea80760SAndrew Litteken; CHECK-NEXT:    [[B_ADDR:%.*]] = alloca double, align 8
52f4b925eeSMatt Arsenault; CHECK-NEXT:    [[AP:%.*]] = alloca ptr, align 4
53cea80760SAndrew Litteken; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
54f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(i32 [[A:%.*]], ptr [[A_ADDR]], double [[B:%.*]], ptr [[B_ADDR]])
55*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_start.p0(ptr [[AP]])
56f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP0:%.*]] = va_arg ptr [[AP]], i32
57*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_copy.p0(ptr [[V:%.*]], ptr [[AP]])
58*ab7dba23SAlex Voicu; CHECK-NEXT:    call void @llvm.va_end.p0(ptr [[AP]])
59f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[TMP_LOC]])
60f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_1(i32 [[TMP0]], ptr [[C]], ptr [[TMP_LOC]])
61f4b925eeSMatt Arsenault; CHECK-NEXT:    [[TMP_RELOAD:%.*]] = load i32, ptr [[TMP_LOC]], align 4
62f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[TMP_LOC]])
63f4b925eeSMatt Arsenault; CHECK-NEXT:    ret i32 [[TMP_RELOAD]]
64cea80760SAndrew Litteken;
65cea80760SAndrew Littekenentry:
66cea80760SAndrew Litteken  %a.addr = alloca i32, align 4
67cea80760SAndrew Litteken  %b.addr = alloca double, align 8
68f4b925eeSMatt Arsenault  %ap = alloca ptr, align 4
69cea80760SAndrew Litteken  %c = alloca i32, align 4
70f4b925eeSMatt Arsenault  store i32 %a, ptr %a.addr, align 4
71f4b925eeSMatt Arsenault  store double %b, ptr %b.addr, align 8
72f4b925eeSMatt Arsenault  call void @llvm.va_start(ptr %ap)
73f4b925eeSMatt Arsenault  %0 = va_arg ptr %ap, i32
74f4b925eeSMatt Arsenault  call void @llvm.va_copy(ptr %v, ptr %ap)
75f4b925eeSMatt Arsenault  call void @llvm.va_end(ptr %ap)
76f4b925eeSMatt Arsenault  store i32 %0, ptr %c, align 4
77f4b925eeSMatt Arsenault  %tmp = load i32, ptr %c, align 4
78cea80760SAndrew Litteken  ret i32 %tmp
79cea80760SAndrew Litteken}
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