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Move sprintf simplifier tests to test/Transforms/InstCombine

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The tests from SPrintF.ll should have been migrated to sprintf-1.ll in
r168677, but I forgot to do it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168702 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Meador Inge 2012-11-27 15:35:58 +00:00
parent efd08d413c
commit 76f8eda284
2 changed files with 26 additions and 48 deletions
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32
test/Transforms/InstCombine/sprintf-1.ll
View File

@ -6,6 +6,8 @@
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"
@hello_world = constant [13 x i8] c"hello world\0A\00"
@null = constant [1 x i8] zeroinitializer
@null_hello = constant [7 x i8] c"\00hello\00"
@h = constant [2 x i8] c"h\00"
@percent_c = constant [3 x i8] c"%c\00"
@percent_d = constant [3 x i8] c"%d\00"
@ -25,10 +27,28 @@ define void @test_simplify1(i8* %dst) {
; CHECK-NEXT: ret void
}
; Check sprintf(dst, "%c", chr) -> *(i8*)dst = chr; *((i8*)dst + 1) = 0.
define void @test_simplify2(i8* %dst) {
; CHECK: @test_simplify2
%fmt = getelementptr [1 x i8]* @null, i32 0, i32 0
call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt)
; CHECK-NEXT: store i8 0, i8* %dst, align 1
ret void
; CHECK-NEXT: ret void
}
define void @test_simplify3(i8* %dst) {
; CHECK: @test_simplify3
%fmt = getelementptr [7 x i8]* @null_hello, i32 0, i32 0
call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt)
; CHECK-NEXT: store i8 0, i8* %dst, align 1
ret void
; CHECK-NEXT: ret void
}
; Check sprintf(dst, "%c", chr) -> *(i8*)dst = chr; *((i8*)dst + 1) = 0.
define void @test_simplify4(i8* %dst) {
; CHECK: @test_simplify4
%fmt = getelementptr [3 x i8]* @percent_c, i32 0, i32 0
call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, i8 104)
; CHECK-NEXT: store i8 104, i8* %dst, align 1
@ -40,8 +60,8 @@ define void @test_simplify2(i8* %dst) {
; Check sprintf(dst, "%s", str) -> llvm.memcpy(dest, str, strlen(str) + 1, 1).
define void @test_simplify3(i8* %dst, i8* %str) {
; CHECK: @test_simplify3
define void @test_simplify5(i8* %dst, i8* %str) {
; CHECK: @test_simplify5
%fmt = getelementptr [3 x i8]* @percent_s, i32 0, i32 0
call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, i8* %str)
; CHECK-NEXT: [[STRLEN:%[a-z0-9]+]] = call i32 @strlen(i8* %str)
@ -53,8 +73,8 @@ define void @test_simplify3(i8* %dst, i8* %str) {
; Check sprintf(dst, format, ...) -> siprintf(str, format, ...) if no floating.
define void @test_simplify4(i8* %dst) {
; CHECK-IPRINTF: @test_simplify4
define void @test_simplify6(i8* %dst) {
; CHECK-IPRINTF: @test_simplify6
%fmt = getelementptr [3 x i8]* @percent_d, i32 0, i32 0
call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, i32 187)
; CHECK-NEXT-IPRINTF: call i32 (i8*, i8*, ...)* @siprintf(i8* %dst, i8* getelementptr inbounds ([3 x i8]* @percent_d, i32 0, i32 0), i32 187)

42
test/Transforms/SimplifyLibCalls/SPrintF.ll
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@ -1,42 +0,0 @@
; Test that the SPrintFOptimizer works correctly
; RUN: opt < %s -instcombine -S | FileCheck %s
; This transformation requires the pointer size, as it assumes that size_t is
; the size of a pointer.
target datalayout = "p:64:64:64"
@hello = constant [6 x i8] c"hello\00" ; <[6 x i8]*> [#uses=1]
@null = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
@null_hello = constant [7 x i8] c"\00hello\00" ; <[7 x i8]*> [#uses=1]
@fmt1 = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1]
@fmt2 = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1]
declare i32 @sprintf(i8*, i8*, ...)
declare i32 @puts(i8*)
define i32 @foo(i8* %p) {
; CHECK: define i32 @foo(i8* %p) {
%target = alloca [1024 x i8] ; <[1024 x i8]*> [#uses=1]
%target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=7]
%hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 ; <i8*> [#uses=2]
%null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 ; <i8*> [#uses=1]
%nh_p = getelementptr [7 x i8]* @null_hello, i32 0, i32 0 ; <i8*> [#uses=1]
%fmt1_p = getelementptr [3 x i8]* @fmt1, i32 0, i32 0 ; <i8*> [#uses=2]
%fmt2_p = getelementptr [3 x i8]* @fmt2, i32 0, i32 0 ; <i8*> [#uses=1]
store i8 0, i8* %target_p
%r1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %hello_p ) ; <i32> [#uses=1]
%r2 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %null_p ) ; <i32> [#uses=1]
%r3 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %nh_p ) ; <i32> [#uses=1]
%r4 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %hello_p ) ; <i32> [#uses=1]
%r4.1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %p ) ; <i32> [#uses=1]
%r5 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt2_p, i32 82 ) ; <i32> [#uses=1]
%r6 = add i32 %r1, %r2 ; <i32> [#uses=1]
%r7 = add i32 %r3, %r6 ; <i32> [#uses=1]
%r8 = add i32 %r5, %r7 ; <i32> [#uses=1]
%r9 = add i32 %r8, %r4 ; <i32> [#uses=1]
%r10 = add i32 %r9, %r4.1 ; <i32> [#uses=1]
ret i32 %r10
; CHECK-NOT: @sprintf(
}