[llvm-commits] [llvm] r62572 - /llvm/trunk/test/CodeGen/X86/limited-prec.ll

Bill Wendling wendling at apple.com
Wed Jan 21 12:59:07 PST 2009


Done.

-bw

On Jan 20, 2009, at 10:39 PM, Chris Lattner wrote:

>
> On Jan 19, 2009, at 10:24 PM, Bill Wendling wrote:
>
>> Author: void
>> Date: Tue Jan 20 00:23:59 2009
>> New Revision: 62572
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=62572&view=rev
>> Log:
>> Testcase for limited precision stuff.
>
> Hi Bill, please run the testcase through simplifycfg + mem2reg to  
> clean it up, unless you really want the unoptimized code.
>
> -Chris
>
>>
>>
>> Added:
>>   llvm/trunk/test/CodeGen/X86/limited-prec.ll
>>
>> Added: llvm/trunk/test/CodeGen/X86/limited-prec.ll
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/limited-prec.ll?rev=62572&view=auto
>>
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> =====================================================================
>> --- llvm/trunk/test/CodeGen/X86/limited-prec.ll (added)
>> +++ llvm/trunk/test/CodeGen/X86/limited-prec.ll Tue Jan 20 00:23:59  
>> 2009
>> @@ -0,0 +1,133 @@
>> +; RUN: llvm-as < %s | llc -limit-float-precision=6 -march=x86 | \
>> +; RUN:    not grep exp | not grep log | not grep pow
>> +; RUN: llvm-as < %s | llc -limit-float-precision=12 -march=x86 | \
>> +; RUN:    not grep exp | not grep log | not grep pow
>> +; RUN: llvm-as < %s | llc -limit-float-precision=18 -march=x86 | \
>> +; RUN:    not grep exp | not grep log | not grep pow
>> +target triple = "i386-apple-darwin9.5"
>> +
>> +define float @f1(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.exp.f32(float %1)		; <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.exp.f32(float) nounwind readonly
>> +
>> +define float @f2(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.exp2.f32(float %1)		; <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.exp2.f32(float) nounwind readonly
>> +
>> +define float @f3(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.pow.f32(float 1.000000e+01, float %1)		;  
>> <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.pow.f32(float, float) nounwind readonly
>> +
>> +define float @f4(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.log.f32(float %1)		; <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.log.f32(float) nounwind readonly
>> +
>> +define float @f5(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.log2.f32(float %1)		; <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.log2.f32(float) nounwind readonly
>> +
>> +define float @f6(float %x) nounwind noinline {
>> +entry:
>> +	%x_addr = alloca float		; <float*> [#uses=2]
>> +	%retval = alloca float		; <float*> [#uses=2]
>> +	%0 = alloca float		; <float*> [#uses=2]
>> +	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
>> +	store float %x, float* %x_addr
>> +	%1 = load float* %x_addr, align 4		; <float> [#uses=1]
>> +	%2 = call float @llvm.log10.f32(float %1)		; <float> [#uses=1]
>> +	store float %2, float* %0, align 4
>> +	%3 = load float* %0, align 4		; <float> [#uses=1]
>> +	store float %3, float* %retval, align 4
>> +	br label %return
>> +
>> +return:		; preds = %entry
>> +	%retval1 = load float* %retval		; <float> [#uses=1]
>> +	ret float %retval1
>> +}
>> +
>> +declare float @llvm.log10.f32(float) nounwind readonly
>>
>>
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