[llvm-commits] [llvm] r168677 - in /llvm/trunk: lib/Transforms/Scalar/SimplifyLibCalls.cpp lib/Transforms/Utils/SimplifyLibCalls.cpp test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll test/Transforms/InstCombine/sprintf-1.ll test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll test/Transforms/SimplifyLibCalls/iprintf.ll
NAKAMURA Takumi
geek4civic at gmail.com
Tue Nov 27 00:33:02 PST 2012
Meador,
It had been passing on +Asserts and been missing one tests, SPrintF.ll.
I have fixed three tests. Please confirm r168689 to 168691.
...Takumi
2012/11/27 Meador Inge <meadori at codesourcery.com>:
> Author: meadori
> Date: Mon Nov 26 23:57:54 2012
> New Revision: 168677
>
> URL: http://llvm.org/viewvc/llvm-project?rev=168677&view=rev
> Log:
> instcombine: Migrate sprintf optimizations
>
> This patch migrates the sprintf optimizations from the simplify-libcalls
> pass into the instcombine library call simplifier.
>
> Added:
> llvm/trunk/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll
> - copied, changed from r168670, llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll
> llvm/trunk/test/Transforms/InstCombine/sprintf-1.ll
> Removed:
> llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll
> Modified:
> llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp
> llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp
> llvm/trunk/test/Transforms/SimplifyLibCalls/iprintf.ll
>
> Modified: llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp?rev=168677&r1=168676&r2=168677&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp (original)
> +++ llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp Mon Nov 26 23:57:54 2012
> @@ -100,102 +100,6 @@
> //===----------------------------------------------------------------------===//
>
> //===---------------------------------------===//
> -// 'sprintf' Optimizations
> -
> -struct SPrintFOpt : public LibCallOptimization {
> - Value *OptimizeFixedFormatString(Function *Callee, CallInst *CI,
> - IRBuilder<> &B) {
> - // Check for a fixed format string.
> - StringRef FormatStr;
> - if (!getConstantStringInfo(CI->getArgOperand(1), FormatStr))
> - return 0;
> -
> - // If we just have a format string (nothing else crazy) transform it.
> - if (CI->getNumArgOperands() == 2) {
> - // Make sure there's no % in the constant array. We could try to handle
> - // %% -> % in the future if we cared.
> - for (unsigned i = 0, e = FormatStr.size(); i != e; ++i)
> - if (FormatStr[i] == '%')
> - return 0; // we found a format specifier, bail out.
> -
> - // These optimizations require DataLayout.
> - if (!TD) return 0;
> -
> - // sprintf(str, fmt) -> llvm.memcpy(str, fmt, strlen(fmt)+1, 1)
> - B.CreateMemCpy(CI->getArgOperand(0), CI->getArgOperand(1),
> - ConstantInt::get(TD->getIntPtrType(*Context), // Copy the
> - FormatStr.size() + 1), 1); // nul byte.
> - return ConstantInt::get(CI->getType(), FormatStr.size());
> - }
> -
> - // The remaining optimizations require the format string to be "%s" or "%c"
> - // and have an extra operand.
> - if (FormatStr.size() != 2 || FormatStr[0] != '%' ||
> - CI->getNumArgOperands() < 3)
> - return 0;
> -
> - // Decode the second character of the format string.
> - if (FormatStr[1] == 'c') {
> - // sprintf(dst, "%c", chr) --> *(i8*)dst = chr; *((i8*)dst+1) = 0
> - if (!CI->getArgOperand(2)->getType()->isIntegerTy()) return 0;
> - Value *V = B.CreateTrunc(CI->getArgOperand(2), B.getInt8Ty(), "char");
> - Value *Ptr = CastToCStr(CI->getArgOperand(0), B);
> - B.CreateStore(V, Ptr);
> - Ptr = B.CreateGEP(Ptr, B.getInt32(1), "nul");
> - B.CreateStore(B.getInt8(0), Ptr);
> -
> - return ConstantInt::get(CI->getType(), 1);
> - }
> -
> - if (FormatStr[1] == 's') {
> - // These optimizations require DataLayout.
> - if (!TD) return 0;
> -
> - // sprintf(dest, "%s", str) -> llvm.memcpy(dest, str, strlen(str)+1, 1)
> - if (!CI->getArgOperand(2)->getType()->isPointerTy()) return 0;
> -
> - Value *Len = EmitStrLen(CI->getArgOperand(2), B, TD, TLI);
> - if (!Len)
> - return 0;
> - Value *IncLen = B.CreateAdd(Len,
> - ConstantInt::get(Len->getType(), 1),
> - "leninc");
> - B.CreateMemCpy(CI->getArgOperand(0), CI->getArgOperand(2), IncLen, 1);
> -
> - // The sprintf result is the unincremented number of bytes in the string.
> - return B.CreateIntCast(Len, CI->getType(), false);
> - }
> - return 0;
> - }
> -
> - virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
> - // Require two fixed pointer arguments and an integer result.
> - FunctionType *FT = Callee->getFunctionType();
> - if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
> - !FT->getParamType(1)->isPointerTy() ||
> - !FT->getReturnType()->isIntegerTy())
> - return 0;
> -
> - if (Value *V = OptimizeFixedFormatString(Callee, CI, B)) {
> - return V;
> - }
> -
> - // sprintf(str, format, ...) -> siprintf(str, format, ...) if no floating
> - // point arguments.
> - if (TLI->has(LibFunc::siprintf) && !CallHasFloatingPointArgument(CI)) {
> - Module *M = B.GetInsertBlock()->getParent()->getParent();
> - Constant *SIPrintFFn =
> - M->getOrInsertFunction("siprintf", FT, Callee->getAttributes());
> - CallInst *New = cast<CallInst>(CI->clone());
> - New->setCalledFunction(SIPrintFFn);
> - B.Insert(New);
> - return New;
> - }
> - return 0;
> - }
> -};
> -
> -//===---------------------------------------===//
> // 'fwrite' Optimizations
>
> struct FWriteOpt : public LibCallOptimization {
> @@ -376,7 +280,6 @@
>
> StringMap<LibCallOptimization*> Optimizations;
> // Formatting and IO Optimizations
> - SPrintFOpt SPrintF;
> FWriteOpt FWrite; FPutsOpt FPuts; FPrintFOpt FPrintF;
> PutsOpt Puts;
>
> @@ -434,7 +337,6 @@
> /// we know.
> void SimplifyLibCalls::InitOptimizations() {
> // Formatting and IO Optimizations
> - Optimizations["sprintf"] = &SPrintF;
> AddOpt(LibFunc::fwrite, &FWrite);
> AddOpt(LibFunc::fputs, &FPuts);
> Optimizations["fprintf"] = &FPrintF;
>
> Modified: llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp?rev=168677&r1=168676&r2=168677&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp (original)
> +++ llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp Mon Nov 26 23:57:54 2012
> @@ -1409,6 +1409,99 @@
> }
> };
>
> +struct SPrintFOpt : public LibCallOptimization {
> + Value *OptimizeFixedFormatString(Function *Callee, CallInst *CI,
> + IRBuilder<> &B) {
> + // Check for a fixed format string.
> + StringRef FormatStr;
> + if (!getConstantStringInfo(CI->getArgOperand(1), FormatStr))
> + return 0;
> +
> + // If we just have a format string (nothing else crazy) transform it.
> + if (CI->getNumArgOperands() == 2) {
> + // Make sure there's no % in the constant array. We could try to handle
> + // %% -> % in the future if we cared.
> + for (unsigned i = 0, e = FormatStr.size(); i != e; ++i)
> + if (FormatStr[i] == '%')
> + return 0; // we found a format specifier, bail out.
> +
> + // These optimizations require DataLayout.
> + if (!TD) return 0;
> +
> + // sprintf(str, fmt) -> llvm.memcpy(str, fmt, strlen(fmt)+1, 1)
> + B.CreateMemCpy(CI->getArgOperand(0), CI->getArgOperand(1),
> + ConstantInt::get(TD->getIntPtrType(*Context), // Copy the
> + FormatStr.size() + 1), 1); // nul byte.
> + return ConstantInt::get(CI->getType(), FormatStr.size());
> + }
> +
> + // The remaining optimizations require the format string to be "%s" or "%c"
> + // and have an extra operand.
> + if (FormatStr.size() != 2 || FormatStr[0] != '%' ||
> + CI->getNumArgOperands() < 3)
> + return 0;
> +
> + // Decode the second character of the format string.
> + if (FormatStr[1] == 'c') {
> + // sprintf(dst, "%c", chr) --> *(i8*)dst = chr; *((i8*)dst+1) = 0
> + if (!CI->getArgOperand(2)->getType()->isIntegerTy()) return 0;
> + Value *V = B.CreateTrunc(CI->getArgOperand(2), B.getInt8Ty(), "char");
> + Value *Ptr = CastToCStr(CI->getArgOperand(0), B);
> + B.CreateStore(V, Ptr);
> + Ptr = B.CreateGEP(Ptr, B.getInt32(1), "nul");
> + B.CreateStore(B.getInt8(0), Ptr);
> +
> + return ConstantInt::get(CI->getType(), 1);
> + }
> +
> + if (FormatStr[1] == 's') {
> + // These optimizations require DataLayout.
> + if (!TD) return 0;
> +
> + // sprintf(dest, "%s", str) -> llvm.memcpy(dest, str, strlen(str)+1, 1)
> + if (!CI->getArgOperand(2)->getType()->isPointerTy()) return 0;
> +
> + Value *Len = EmitStrLen(CI->getArgOperand(2), B, TD, TLI);
> + if (!Len)
> + return 0;
> + Value *IncLen = B.CreateAdd(Len,
> + ConstantInt::get(Len->getType(), 1),
> + "leninc");
> + B.CreateMemCpy(CI->getArgOperand(0), CI->getArgOperand(2), IncLen, 1);
> +
> + // The sprintf result is the unincremented number of bytes in the string.
> + return B.CreateIntCast(Len, CI->getType(), false);
> + }
> + return 0;
> + }
> +
> + virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
> + // Require two fixed pointer arguments and an integer result.
> + FunctionType *FT = Callee->getFunctionType();
> + if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
> + !FT->getParamType(1)->isPointerTy() ||
> + !FT->getReturnType()->isIntegerTy())
> + return 0;
> +
> + if (Value *V = OptimizeFixedFormatString(Callee, CI, B)) {
> + return V;
> + }
> +
> + // sprintf(str, format, ...) -> siprintf(str, format, ...) if no floating
> + // point arguments.
> + if (TLI->has(LibFunc::siprintf) && !callHasFloatingPointArgument(CI)) {
> + Module *M = B.GetInsertBlock()->getParent()->getParent();
> + Constant *SIPrintFFn =
> + M->getOrInsertFunction("siprintf", FT, Callee->getAttributes());
> + CallInst *New = cast<CallInst>(CI->clone());
> + New->setCalledFunction(SIPrintFFn);
> + B.Insert(New);
> + return New;
> + }
> + return 0;
> + }
> +};
> +
> } // End anonymous namespace.
>
> namespace llvm {
> @@ -1464,6 +1557,7 @@
>
> // Formatting and IO library call optimizations.
> PrintFOpt PrintF;
> + SPrintFOpt SPrintF;
>
> void initOptimizations();
> void addOpt(LibFunc::Func F, LibCallOptimization* Opt);
> @@ -1588,6 +1682,7 @@
>
> // Formatting and IO library call optimizations.
> addOpt(LibFunc::printf, &PrintF);
> + addOpt(LibFunc::sprintf, &SPrintF);
> }
>
> Value *LibCallSimplifierImpl::optimizeCall(CallInst *CI) {
>
> Copied: llvm/trunk/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll (from r168670, llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll)
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll?p2=llvm/trunk/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll&p1=llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll&r1=168670&r2=168677&rev=168677&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll (original)
> +++ llvm/trunk/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll Mon Nov 26 23:57:54 2012
> @@ -1,4 +1,4 @@
> -; RUN: opt -simplify-libcalls %s -S -o - | FileCheck %s
> +; RUN: opt -instcombine %s -S -o - | FileCheck %s
> ; PR7265
>
> target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
> @@ -6,11 +6,11 @@
>
> %union.anon = type { i32, [4 x i8] }
>
> - at .str = private constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=2]
> + at .str = private constant [3 x i8] c"%s\00"
>
> define void @CopyEventArg(%union.anon* %ev) nounwind {
> entry:
> - %call = call i32 (i8*, i8*, ...)* @sprintf(i8* undef, i8* getelementptr inbounds ([3 x i8]* @.str, i64 0, i64 0), %union.anon* %ev) nounwind ; <i32> [#uses=0]
> + %call = call i32 (i8*, i8*, ...)* @sprintf(i8* undef, i8* getelementptr inbounds ([3 x i8]* @.str, i64 0, i64 0), %union.anon* %ev) nounwind
> ; CHECK: bitcast %union.anon* %ev to i8*
> ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
> ret void
>
> Added: llvm/trunk/test/Transforms/InstCombine/sprintf-1.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/sprintf-1.ll?rev=168677&view=auto
> ==============================================================================
> --- llvm/trunk/test/Transforms/InstCombine/sprintf-1.ll (added)
> +++ llvm/trunk/test/Transforms/InstCombine/sprintf-1.ll Mon Nov 26 23:57:54 2012
> @@ -0,0 +1,80 @@
> +; Test that the sprintf library call simplifier works correctly.
> +;
> +; RUN: opt < %s -instcombine -S | FileCheck %s
> +; RUN: opt < %s -mtriple xcore-xmos-elf -instcombine -S | FileCheck %s -check-prefix=IPRINTF
> +
> +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"
> +
> + at hello_world = constant [13 x i8] c"hello world\0A\00"
> + at h = constant [2 x i8] c"h\00"
> + at percent_c = constant [3 x i8] c"%c\00"
> + at percent_d = constant [3 x i8] c"%d\00"
> + at percent_f = constant [3 x i8] c"%f\00"
> + at percent_s = constant [3 x i8] c"%s\00"
> +
> +declare i32 @sprintf(i8*, i8*, ...)
> +
> +; Check sprintf(dst, fmt) -> llvm.memcpy(str, fmt, strlen(fmt) + 1, 1).
> +
> +define void @test_simplify1(i8* %dst) {
> +; CHECK: @test_simplify1
> + %fmt = getelementptr [13 x i8]* @hello_world, i32 0, i32 0
> + call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt)
> +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* getelementptr inbounds ([13 x i8]* @hello_world, i32 0, i32 0), i32 13, i32 1, i1 false)
> + ret void
> +; 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 [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
> +; CHECK-NEXT: [[NUL:%[a-z0-9]+]] = getelementptr i8* %dst, i32 1
> +; CHECK-NEXT: store i8 0, i8* [[NUL]], align 1
> + ret void
> +; CHECK-NEXT: ret void
> +}
> +
> +; Check sprintf(dst, "%s", str) -> llvm.memcpy(dest, str, strlen(str) + 1, 1).
> +
> +define void @test_simplify3(i8* %dst, i8* %str) {
> +; CHECK: @test_simplify3
> + %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)
> +; CHECK-NEXT: [[LENINC:%[a-z0-9]+]] = add i32 [[STRLEN]], 1
> +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %str, i32 [[LENINC]], i32 1, i1 false)
> + ret void
> +; CHECK-NEXT: ret void
> +}
> +
> +; Check sprintf(dst, format, ...) -> siprintf(str, format, ...) if no floating.
> +
> +define void @test_simplify4(i8* %dst) {
> +; CHECK-IPRINTF: @test_simplify4
> + %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)
> + ret void
> +; CHECK-NEXT-IPRINTF: ret void
> +}
> +
> +define void @test_no_simplify1(i8* %dst) {
> +; CHECK-IPRINTF: @test_no_simplify1
> + %fmt = getelementptr [3 x i8]* @percent_f, i32 0, i32 0
> + call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, double 1.87)
> +; CHECK-NEXT-IPRINTF: call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* getelementptr inbounds ([3 x i8]* @percent_f, i32 0, i32 0), double 1.870000e+00)
> + ret void
> +; CHECK-NEXT-IPRINTF: ret void
> +}
> +
> +define void @test_no_simplify2(i8* %dst, i8* %fmt, double %d) {
> +; CHECK: @test_no_simplify2
> + call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, double %d)
> +; CHECK-NEXT: call i32 (i8*, i8*, ...)* @sprintf(i8* %dst, i8* %fmt, double %d)
> + ret void
> +; CHECK-NEXT: ret void
> +}
>
> Removed: llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll?rev=168676&view=auto
> ==============================================================================
> --- llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll (original)
> +++ llvm/trunk/test/Transforms/SimplifyLibCalls/2010-05-30-memcpy-Struct.ll (removed)
> @@ -1,20 +0,0 @@
> -; RUN: opt -simplify-libcalls %s -S -o - | FileCheck %s
> -; PR7265
> -
> -target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
> -target triple = "x86_64-unknown-linux-gnu"
> -
> -%union.anon = type { i32, [4 x i8] }
> -
> - at .str = private constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=2]
> -
> -define void @CopyEventArg(%union.anon* %ev) nounwind {
> -entry:
> - %call = call i32 (i8*, i8*, ...)* @sprintf(i8* undef, i8* getelementptr inbounds ([3 x i8]* @.str, i64 0, i64 0), %union.anon* %ev) nounwind ; <i32> [#uses=0]
> -; CHECK: bitcast %union.anon* %ev to i8*
> -; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
> - ret void
> -}
> -
> -declare i32 @sprintf(i8*, i8*, ...)
> -
>
> Modified: llvm/trunk/test/Transforms/SimplifyLibCalls/iprintf.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SimplifyLibCalls/iprintf.ll?rev=168677&r1=168676&r2=168677&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/SimplifyLibCalls/iprintf.ll (original)
> +++ llvm/trunk/test/Transforms/SimplifyLibCalls/iprintf.ll Mon Nov 26 23:57:54 2012
> @@ -6,26 +6,6 @@
> @.str = internal constant [4 x i8] c"%f\0A\00" ; <[4 x i8]*> [#uses=1]
> @.str1 = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
>
> -; Verify sprintf with no floating point arguments is transformed to siprintf
> -define i32 @f2(i8* %p, i32 %x) nounwind {
> -entry:
> -; CHECK: define i32 @f2
> -; CHECK: @siprintf
> -; CHECK: }
> - %0 = tail call i32 (i8*, i8*, ...)* @sprintf(i8 *%p, i8* getelementptr ([4 x i8]* @.str1, i32 0, i32 0), i32 %x)
> - ret i32 %0
> -}
> -
> -; Verify we don't turn this into an siprintf call
> -define i32 @f3(i8* %p, double %x) nounwind {
> -entry:
> -; CHECK: define i32 @f3
> -; CHECK: @sprintf
> -; CHECK: }
> - %0 = tail call i32 (i8*, i8*, ...)* @sprintf(i8 *%p, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), double %x)
> - ret i32 %0
> -}
> -
> ; Verify fprintf with no floating point arguments is transformed to fiprintf
> define i32 @f4(i8* %p, i32 %x) nounwind {
> entry:
> @@ -46,5 +26,4 @@
> ret i32 %0
> }
>
> -declare i32 @sprintf(i8* nocapture, i8* nocapture, ...) nounwind
> declare i32 @fprintf(i8* nocapture, i8* nocapture, ...) nounwind
>
>
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