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gerrit-public.fairphone.software / toolchain / llvm-project / fd67038c8bff9daba3e17dff6a6cc18a05e8e771 / . / llvm / test / Transforms / LowerGuardIntrinsic / basic.ll
blob: 7c3584a774e16be6f15299dd7b952d7de9708d54 [file] [log] [blame]
Sanjoy Das021de052016-03-31 00:18:46 +0000[diff] [blame]1; RUN: opt -S -lower-guard-intrinsic < %s | FileCheck %s
2
3declare void @llvm.experimental.guard(i1, ...)
4
5define i8 @f_basic(i1* %c_ptr) {
6; CHECK-LABEL: @f_basic(
7
8 %c = load volatile i1, i1* %c_ptr
9 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"(i32 1) ]
10 ret i8 5
11
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]12; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
Sanjoy Das021de052016-03-31 00:18:46 +0000[diff] [blame]13; CHECK: deopt:
14; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ]
15; CHECK-NEXT: ret i8 %deoptcall
16; CHECK: guarded:
17; CHECK-NEXT: ret i8 5
18}
19
20define void @f_void_return_ty(i1* %c_ptr) {
21; CHECK-LABEL: @f_void_return_ty(
22
23 %c = load volatile i1, i1* %c_ptr
24 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"() ]
25 ret void
26
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]27; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
Sanjoy Das021de052016-03-31 00:18:46 +0000[diff] [blame]28; CHECK: deopt:
29; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"() ]
30; CHECK-NEXT: ret void
31; CHECK: guarded:
32; CHECK-NEXT: ret void
33}
34
35define void @f_multiple_args(i1* %c_ptr) {
36; CHECK-LABEL: @f_multiple_args(
37
38 %c = load volatile i1, i1* %c_ptr
39 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1, i32 2, double 500.0) [ "deopt"(i32 2, i32 3) ]
40 ret void
41
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]42; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
Sanjoy Das021de052016-03-31 00:18:46 +0000[diff] [blame]43; CHECK: deopt:
44; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1, i32 2, double 5.000000e+02) [ "deopt"(i32 2, i32 3) ]
45; CHECK-NEXT: ret void
46; CHECK: guarded:
47; CHECK-NEXT: ret void
48}
49
50define i32 @f_zero_args(i1* %c_ptr) {
51; CHECK-LABEL: @f_zero_args(
52 %c = load volatile i1, i1* %c_ptr
53 call void(i1, ...) @llvm.experimental.guard(i1 %c) [ "deopt"(i32 2, i32 3) ]
54 ret i32 500
55
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]56; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
Sanjoy Das021de052016-03-31 00:18:46 +0000[diff] [blame]57; CHECK: deopt:
58; CHECK-NEXT: %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 2, i32 3) ]
59; CHECK-NEXT: ret i32 %deoptcall
60; CHECK: guarded:
61; CHECK-NEXT: ret i32 500
62}
Sanjoy Das47cf2af2016-04-30 00:55:59 +0000[diff] [blame]63
64define i8 @f_with_make_implicit_md(i32* %ptr) {
65; CHECK-LABEL: @f_with_make_implicit_md(
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]66; CHECK: br i1 %notNull, label %guarded, label %deopt, !prof !0, !make.implicit !1
Sanjoy Das47cf2af2016-04-30 00:55:59 +0000[diff] [blame]67; CHECK: deopt:
68; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ]
69; CHECK-NEXT: ret i8 %deoptcall
70
71 %notNull = icmp ne i32* %ptr, null
72 call void(i1, ...) @llvm.experimental.guard(i1 %notNull, i32 1) [ "deopt"(i32 1) ], !make.implicit !{}
73 ret i8 5
74}
Sanjoy Dasfd670382016-05-17 17:51:19 +0000[diff] [blame^]75
76!0 = !{!"branch_weights", i32 1048576, i32 1}