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annotate test/Transforms/InstCombine/fprintf-1.ll @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 1172e4bd9c6f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; Test that the fprintf library call simplifier works correctly.
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2 ;
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3 ; RUN: opt < %s -instcombine -S | FileCheck %s
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4 ; RUN: opt < %s -mtriple xcore-xmos-elf -instcombine -S | FileCheck %s -check-prefix=CHECK-IPRINTF
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5
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6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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7
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8 %FILE = type { }
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9
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10 @hello_world = constant [13 x i8] c"hello world\0A\00"
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11 @percent_c = constant [3 x i8] c"%c\00"
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12 @percent_d = constant [3 x i8] c"%d\00"
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13 @percent_f = constant [3 x i8] c"%f\00"
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14 @percent_s = constant [3 x i8] c"%s\00"
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15
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16 declare i32 @fprintf(%FILE*, i8*, ...)
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17
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18 ; Check fprintf(fp, "foo") -> fwrite("foo", 3, 1, fp).
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19
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20 define void @test_simplify1(%FILE* %fp) {
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21 ; CHECK-LABEL: @test_simplify1(
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22 %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
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23 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt)
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24 ; CHECK-NEXT: call i32 @fwrite(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 12, i32 1, %FILE* %fp)
0
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25 ret void
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26 ; CHECK-NEXT: ret void
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27 }
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28
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29 ; Check fprintf(fp, "%c", chr) -> fputc(chr, fp).
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30
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31 define void @test_simplify2(%FILE* %fp) {
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32 ; CHECK-LABEL: @test_simplify2(
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33 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_c, i32 0, i32 0
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34 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i8 104)
0
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35 ; CHECK-NEXT: call i32 @fputc(i32 104, %FILE* %fp)
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36 ret void
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37 ; CHECK-NEXT: ret void
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38 }
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39
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40 ; Check fprintf(fp, "%s", str) -> fputs(str, fp).
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41 ; NOTE: The fputs simplifier simplifies this further to fwrite.
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42
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43 define void @test_simplify3(%FILE* %fp) {
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44 ; CHECK-LABEL: @test_simplify3(
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45 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_s, i32 0, i32 0
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46 %str = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
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47 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i8* %str)
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48 ; CHECK-NEXT: call i32 @fwrite(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 12, i32 1, %FILE* %fp)
0
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49 ret void
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50 ; CHECK-NEXT: ret void
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51 }
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52
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53 ; Check fprintf(fp, fmt, ...) -> fiprintf(fp, fmt, ...) if no floating point.
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54
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55 define void @test_simplify4(%FILE* %fp) {
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56 ; CHECK-IPRINTF-LABEL: @test_simplify4(
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57 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_d, i32 0, i32 0
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58 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i32 187)
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59 ; CHECK-IPRINTF-NEXT: call i32 (%FILE*, i8*, ...) @fiprintf(%FILE* %fp, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @percent_d, i32 0, i32 0), i32 187)
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60 ret void
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61 ; CHECK-IPRINTF-NEXT: ret void
0
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62 }
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63
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64 define void @test_simplify5(%FILE* %fp) {
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65 ; CHECK-LABEL: @test_simplify5(
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66 %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
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67 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt) [ "deopt"() ]
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68 ; CHECK-NEXT: call i32 @fwrite(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 12, i32 1, %FILE* %fp) [ "deopt"() ]
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69 ret void
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70 ; CHECK-NEXT: ret void
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71 }
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72
0
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73 define void @test_no_simplify1(%FILE* %fp) {
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74 ; CHECK-IPRINTF-LABEL: @test_no_simplify1(
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75 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_f, i32 0, i32 0
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76 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, double 1.87)
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77 ; CHECK-IPRINTF-NEXT: call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @percent_f, i32 0, i32 0), double 1.870000e+00)
0
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78 ret void
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79 ; CHECK-IPRINTF-NEXT: ret void
0
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80 }
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81
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82 define void @test_no_simplify2(%FILE* %fp, double %d) {
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83 ; CHECK-LABEL: @test_no_simplify2(
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84 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_f, i32 0, i32 0
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85 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, double %d)
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86 ; CHECK-NEXT: call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @percent_f, i32 0, i32 0), double %d)
0
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87 ret void
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88 ; CHECK-NEXT: ret void
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89 }
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90
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91 define i32 @test_no_simplify3(%FILE* %fp) {
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92 ; CHECK-LABEL: @test_no_simplify3(
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93 %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
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94 %1 = call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt)
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95 ; CHECK-NEXT: call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0))
0
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96 ret i32 %1
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97 ; CHECK-NEXT: ret i32 %1
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98 }