source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/no-tail-call.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 3.7 KB
Line 
1; RUN: llc < %s -O0 -o - | FileCheck %s
2target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
3target triple = "armv7s-apple-ios7"
4
5%foo = type <{ %Sf }>
6%Sf = type <{ float }>
7
8declare float @llvm.ceil.f32(float)
9
10; Check that we are not emitting a tail call for the last call to ceil.
11; This function returns three different results.
12; CHECK-LABEL: func1:
13; CHECK-NOT: b _ceilf
14; CHECK: pop
15define { float, float, float } @func1() {
16entry:
17  %0 = alloca %foo, align 4
18  %1 = alloca %foo, align 4
19  %2 = alloca %foo, align 4
20  %.native = getelementptr inbounds %foo, %foo* %0, i32 0, i32 0
21  %.native.value = getelementptr inbounds %Sf, %Sf* %.native, i32 0, i32 0
22  store float 0.000000e+00, float* %.native.value, align 4
23  %.native1 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
24  %.native1.value = getelementptr inbounds %Sf, %Sf* %.native1, i32 0, i32 0
25  store float 1.000000e+00, float* %.native1.value, align 4
26  %.native2 = getelementptr inbounds %foo, %foo* %2, i32 0, i32 0
27  %.native2.value = getelementptr inbounds %Sf, %Sf* %.native2, i32 0, i32 0
28  store float 5.000000e+00, float* %.native2.value, align 4
29  br i1 true, label %3, label %4
30
31; <label>:3                                       ; preds = %entry
32  %.native4 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
33  %.native4.value = getelementptr inbounds %Sf, %Sf* %.native4, i32 0, i32 0
34  store float 2.000000e+00, float* %.native4.value, align 4
35  br label %4
36
37; <label>:4                                       ; preds = %3, %entry
38  %5 = call float @llvm.ceil.f32(float 5.000000e+00)
39  %.native3 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
40  %.native3.value = getelementptr inbounds %Sf, %Sf* %.native3, i32 0, i32 0
41  %6 = load float, float* %.native3.value, align 4
42  %7 = call float @llvm.ceil.f32(float %6)
43  %8 = insertvalue { float, float, float } { float 0.000000e+00, float undef, float undef }, float %5, 1
44  %9 = insertvalue { float, float, float } %8, float %7, 2
45  ret { float, float, float } %9
46}
47
48; Check that we are not emitting a tail call for the last call to ceil.
49; This function returns two different results.
50; CHECK-LABEL: func2:
51; CHECK-NOT: b _ceilf
52; CHECK: pop
53define { float, float } @func2() {
54entry:
55  %0 = alloca %foo, align 4
56  %1 = alloca %foo, align 4
57  %2 = alloca %foo, align 4
58  %.native = getelementptr inbounds %foo, %foo* %0, i32 0, i32 0
59  %.native.value = getelementptr inbounds %Sf, %Sf* %.native, i32 0, i32 0
60  store float 0.000000e+00, float* %.native.value, align 4
61  %.native1 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
62  %.native1.value = getelementptr inbounds %Sf, %Sf* %.native1, i32 0, i32 0
63  store float 1.000000e+00, float* %.native1.value, align 4
64  %.native2 = getelementptr inbounds %foo, %foo* %2, i32 0, i32 0
65  %.native2.value = getelementptr inbounds %Sf, %Sf* %.native2, i32 0, i32 0
66  store float 5.000000e+00, float* %.native2.value, align 4
67  br i1 true, label %3, label %4
68
69; <label>:3                                       ; preds = %entry
70  %.native4 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
71  %.native4.value = getelementptr inbounds %Sf, %Sf* %.native4, i32 0, i32 0
72  store float 2.000000e+00, float* %.native4.value, align 4
73  br label %4
74
75; <label>:4                                       ; preds = %3, %entry
76  %5 = call float @llvm.ceil.f32(float 5.000000e+00)
77  %.native3 = getelementptr inbounds %foo, %foo* %1, i32 0, i32 0
78  %.native3.value = getelementptr inbounds %Sf, %Sf* %.native3, i32 0, i32 0
79  %6 = load float, float* %.native3.value, align 4
80  %7 = call float @llvm.ceil.f32(float %6)
81  %8 = insertvalue { float, float } { float 0.000000e+00, float undef }, float %7, 1
82  ret { float, float } %8
83}
84
Note: See TracBrowser for help on using the repository browser.