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This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
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done
llvm-svn: 186268
120 lines
3.8 KiB
LLVM
120 lines
3.8 KiB
LLVM
; Test that the printf library call simplifier works correctly.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; RUN: opt < %s -mtriple xcore-xmos-elf -instcombine -S | FileCheck %s -check-prefix=IPRINTF
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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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@hello_world = constant [13 x i8] c"hello world\0A\00"
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@h = constant [2 x i8] c"h\00"
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@percent = constant [2 x i8] c"%\00"
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@percent_c = constant [3 x i8] c"%c\00"
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@percent_d = constant [3 x i8] c"%d\00"
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@percent_f = constant [3 x i8] c"%f\00"
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@percent_s = constant [4 x i8] c"%s\0A\00"
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@empty = constant [1 x i8] c"\00"
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; CHECK: [[STR:@[a-z0-9]+]] = private unnamed_addr constant [12 x i8] c"hello world\00"
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declare i32 @printf(i8*, ...)
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; Check printf("") -> noop.
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define void @test_simplify1() {
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; CHECK-LABEL: @test_simplify1(
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%fmt = getelementptr [1 x i8]* @empty, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt)
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ret void
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; CHECK-NEXT: ret void
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}
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; Check printf("x") -> putchar('x'), even for '%'.
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define void @test_simplify2() {
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; CHECK-LABEL: @test_simplify2(
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%fmt = getelementptr [2 x i8]* @h, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt)
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; CHECK-NEXT: call i32 @putchar(i32 104)
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ret void
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; CHECK-NEXT: ret void
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}
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define void @test_simplify3() {
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; CHECK-LABEL: @test_simplify3(
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%fmt = getelementptr [2 x i8]* @percent, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt)
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; CHECK-NEXT: call i32 @putchar(i32 37)
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ret void
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; CHECK-NEXT: ret void
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}
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; Check printf("foo\n") -> puts("foo").
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define void @test_simplify4() {
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; CHECK-LABEL: @test_simplify4(
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%fmt = getelementptr [13 x i8]* @hello_world, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt)
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; CHECK-NEXT: call i32 @puts(i8* getelementptr inbounds ([12 x i8]* [[STR]], i32 0, i32 0))
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ret void
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; CHECK-NEXT: ret void
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}
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; Check printf("%c", chr) -> putchar(chr).
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define void @test_simplify5() {
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; CHECK-LABEL: @test_simplify5(
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%fmt = getelementptr [3 x i8]* @percent_c, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt, i8 104)
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; CHECK-NEXT: call i32 @putchar(i32 104)
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ret void
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; CHECK-NEXT: ret void
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}
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; Check printf("%s\n", str) -> puts(str).
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define void @test_simplify6() {
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; CHECK-LABEL: @test_simplify6(
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%fmt = getelementptr [4 x i8]* @percent_s, i32 0, i32 0
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%str = getelementptr [13 x i8]* @hello_world, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt, i8* %str)
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; CHECK-NEXT: call i32 @puts(i8* getelementptr inbounds ([13 x i8]* @hello_world, i32 0, i32 0))
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ret void
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; CHECK-NEXT: ret void
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}
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; Check printf(format, ...) -> iprintf(format, ...) if no floating point.
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define void @test_simplify7() {
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; CHECK-IPRINTF-LABEL: @test_simplify7(
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%fmt = getelementptr [3 x i8]* @percent_d, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt, i32 187)
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; CHECK-NEXT-IPRINTF: call i32 (i8*, ...)* @iprintf(i8* getelementptr inbounds ([3 x i8]* @percent_d, i32 0, i32 0), i32 187)
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ret void
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; CHECK-NEXT-IPRINTF: ret void
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}
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define void @test_no_simplify1() {
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; CHECK-IPRINTF-LABEL: @test_no_simplify1(
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%fmt = getelementptr [3 x i8]* @percent_f, i32 0, i32 0
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call i32 (i8*, ...)* @printf(i8* %fmt, double 1.87)
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; CHECK-NEXT-IPRINTF: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([3 x i8]* @percent_f, i32 0, i32 0), double 1.870000e+00)
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ret void
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; CHECK-NEXT-IPRINTF: ret void
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}
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define void @test_no_simplify2(i8* %fmt, double %d) {
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; CHECK-LABEL: @test_no_simplify2(
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call i32 (i8*, ...)* @printf(i8* %fmt, double %d)
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; CHECK-NEXT: call i32 (i8*, ...)* @printf(i8* %fmt, double %d)
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ret void
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; CHECK-NEXT: ret void
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}
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define i32 @test_no_simplify3() {
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; CHECK-LABEL: @test_no_simplify3(
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%fmt = getelementptr [2 x i8]* @h, i32 0, i32 0
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%ret = call i32 (i8*, ...)* @printf(i8* %fmt)
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; CHECK-NEXT: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([2 x i8]* @h, i32 0, i32 0))
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ret i32 %ret
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; CHECK-NEXT: ret i32 %ret
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}
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