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llvm-mirror/test/CodeGen/X86/nancvt.ll
Jakob Stoklund Olesen 7b4c60adae Don't unroll loops containing function calls. 
llvm-svn: 95454
2010-02-05 23:21:31 +00:00

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8.6 KiB
LLVM
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; RUN: opt < %s -std-compile-opts | llc > %t
; RUN: grep 2147027116 %t | count 3
; RUN: grep 2147228864 %t | count 3
; RUN: grep 2146502828 %t | count 3
; RUN: grep 2143034560 %t | count 3
; Compile time conversions of NaNs.
; ModuleID = 'nan2.c'
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"
target triple = "i686-apple-darwin8"
%struct..0anon = type { float }
%struct..1anon = type { double }
@fnan = constant [3 x i32] [ i32 2143831397, i32 2143831396, i32 2143831398 ] ; <[3 x i32]*> [#uses=1]
@dnan = constant [3 x i64] [ i64 9223235251041752696, i64 9223235251041752697, i64 9223235250773317239 ], align 8 ; <[3 x i64]*> [#uses=1]
@fsnan = constant [3 x i32] [ i32 2139637093, i32 2139637092, i32 2139637094 ] ; <[3 x i32]*> [#uses=1]
@dsnan = constant [3 x i64] [ i64 9220983451228067448, i64 9220983451228067449, i64 9220983450959631991 ], align 8 ; <[3 x i64]*> [#uses=1]
@.str = internal constant [10 x i8] c"%08x%08x\0A\00" ; <[10 x i8]*> [#uses=2]
@.str1 = internal constant [6 x i8] c"%08x\0A\00" ; <[6 x i8]*> [#uses=2]
@var = external global i32
define i32 @main() {
entry:
%retval = alloca i32, align 4 ; <i32*> [#uses=1]
%i = alloca i32, align 4 ; <i32*> [#uses=20]
%uf = alloca %struct..0anon, align 4 ; <%struct..0anon*> [#uses=8]
%ud = alloca %struct..1anon, align 8 ; <%struct..1anon*> [#uses=10]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 0, i32* %i, align 4
br label %bb23
bb: ; preds = %bb23
%tmp = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp1 = getelementptr [3 x i32]* @fnan, i32 0, i32 %tmp ; <i32*> [#uses=1]
%tmp2 = load i32* %tmp1, align 4 ; <i32> [#uses=1]
%tmp3 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp34 = bitcast float* %tmp3 to i32* ; <i32*> [#uses=1]
store i32 %tmp2, i32* %tmp34, align 4
%tmp5 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp6 = load float* %tmp5, align 4 ; <float> [#uses=1]
%tmp67 = fpext float %tmp6 to double ; <double> [#uses=1]
%tmp8 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
store double %tmp67, double* %tmp8, align 8
%tmp9 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp910 = bitcast double* %tmp9 to i64* ; <i64*> [#uses=1]
%tmp11 = load i64* %tmp910, align 8 ; <i64> [#uses=1]
%tmp1112 = trunc i64 %tmp11 to i32 ; <i32> [#uses=1]
%tmp13 = and i32 %tmp1112, -1 ; <i32> [#uses=1]
%tmp14 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp1415 = bitcast double* %tmp14 to i64* ; <i64*> [#uses=1]
%tmp16 = load i64* %tmp1415, align 8 ; <i64> [#uses=1]
%.cast = zext i32 32 to i64 ; <i64> [#uses=1]
%tmp17 = ashr i64 %tmp16, %.cast ; <i64> [#uses=1]
%tmp1718 = trunc i64 %tmp17 to i32 ; <i32> [#uses=1]
%tmp19 = getelementptr [10 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
volatile store i32 %tmp1718, i32* @var
volatile store i32 %tmp13, i32* @var
%tmp21 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp22 = add i32 %tmp21, 1 ; <i32> [#uses=1]
store i32 %tmp22, i32* %i, align 4
br label %bb23
bb23: ; preds = %bb, %entry
%tmp24 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp25 = icmp sle i32 %tmp24, 2 ; <i1> [#uses=1]
%tmp2526 = zext i1 %tmp25 to i8 ; <i8> [#uses=1]
%toBool = icmp ne i8 %tmp2526, 0 ; <i1> [#uses=1]
br i1 %toBool, label %bb, label %bb27
bb27: ; preds = %bb23
store i32 0, i32* %i, align 4
br label %bb46
bb28: ; preds = %bb46
%tmp29 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp30 = getelementptr [3 x i64]* @dnan, i32 0, i32 %tmp29 ; <i64*> [#uses=1]
%tmp31 = load i64* %tmp30, align 8 ; <i64> [#uses=1]
%tmp32 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp3233 = bitcast double* %tmp32 to i64* ; <i64*> [#uses=1]
store i64 %tmp31, i64* %tmp3233, align 8
%tmp35 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp36 = load double* %tmp35, align 8 ; <double> [#uses=1]
%tmp3637 = fptrunc double %tmp36 to float ; <float> [#uses=1]
%tmp38 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
store float %tmp3637, float* %tmp38, align 4
%tmp39 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp3940 = bitcast float* %tmp39 to i32* ; <i32*> [#uses=1]
%tmp41 = load i32* %tmp3940, align 4 ; <i32> [#uses=1]
%tmp42 = getelementptr [6 x i8]* @.str1, i32 0, i32 0 ; <i8*> [#uses=1]
volatile store i32 %tmp41, i32* @var
%tmp44 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp45 = add i32 %tmp44, 1 ; <i32> [#uses=1]
store i32 %tmp45, i32* %i, align 4
br label %bb46
bb46: ; preds = %bb28, %bb27
%tmp47 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp48 = icmp sle i32 %tmp47, 2 ; <i1> [#uses=1]
%tmp4849 = zext i1 %tmp48 to i8 ; <i8> [#uses=1]
%toBool50 = icmp ne i8 %tmp4849, 0 ; <i1> [#uses=1]
br i1 %toBool50, label %bb28, label %bb51
bb51: ; preds = %bb46
store i32 0, i32* %i, align 4
br label %bb78
bb52: ; preds = %bb78
%tmp53 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp54 = getelementptr [3 x i32]* @fsnan, i32 0, i32 %tmp53 ; <i32*> [#uses=1]
%tmp55 = load i32* %tmp54, align 4 ; <i32> [#uses=1]
%tmp56 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp5657 = bitcast float* %tmp56 to i32* ; <i32*> [#uses=1]
store i32 %tmp55, i32* %tmp5657, align 4
%tmp58 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp59 = load float* %tmp58, align 4 ; <float> [#uses=1]
%tmp5960 = fpext float %tmp59 to double ; <double> [#uses=1]
%tmp61 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
store double %tmp5960, double* %tmp61, align 8
%tmp62 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp6263 = bitcast double* %tmp62 to i64* ; <i64*> [#uses=1]
%tmp64 = load i64* %tmp6263, align 8 ; <i64> [#uses=1]
%tmp6465 = trunc i64 %tmp64 to i32 ; <i32> [#uses=1]
%tmp66 = and i32 %tmp6465, -1 ; <i32> [#uses=1]
%tmp68 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp6869 = bitcast double* %tmp68 to i64* ; <i64*> [#uses=1]
%tmp70 = load i64* %tmp6869, align 8 ; <i64> [#uses=1]
%.cast71 = zext i32 32 to i64 ; <i64> [#uses=1]
%tmp72 = ashr i64 %tmp70, %.cast71 ; <i64> [#uses=1]
%tmp7273 = trunc i64 %tmp72 to i32 ; <i32> [#uses=1]
%tmp74 = getelementptr [10 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
volatile store i32 %tmp7273, i32* @var
volatile store i32 %tmp66, i32* @var
%tmp76 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp77 = add i32 %tmp76, 1 ; <i32> [#uses=1]
store i32 %tmp77, i32* %i, align 4
br label %bb78
bb78: ; preds = %bb52, %bb51
%tmp79 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp80 = icmp sle i32 %tmp79, 2 ; <i1> [#uses=1]
%tmp8081 = zext i1 %tmp80 to i8 ; <i8> [#uses=1]
%toBool82 = icmp ne i8 %tmp8081, 0 ; <i1> [#uses=1]
br i1 %toBool82, label %bb52, label %bb83
bb83: ; preds = %bb78
store i32 0, i32* %i, align 4
br label %bb101
bb84: ; preds = %bb101
%tmp85 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp86 = getelementptr [3 x i64]* @dsnan, i32 0, i32 %tmp85 ; <i64*> [#uses=1]
%tmp87 = load i64* %tmp86, align 8 ; <i64> [#uses=1]
%tmp88 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp8889 = bitcast double* %tmp88 to i64* ; <i64*> [#uses=1]
store i64 %tmp87, i64* %tmp8889, align 8
%tmp90 = getelementptr %struct..1anon* %ud, i32 0, i32 0 ; <double*> [#uses=1]
%tmp91 = load double* %tmp90, align 8 ; <double> [#uses=1]
%tmp9192 = fptrunc double %tmp91 to float ; <float> [#uses=1]
%tmp93 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
store float %tmp9192, float* %tmp93, align 4
%tmp94 = getelementptr %struct..0anon* %uf, i32 0, i32 0 ; <float*> [#uses=1]
%tmp9495 = bitcast float* %tmp94 to i32* ; <i32*> [#uses=1]
%tmp96 = load i32* %tmp9495, align 4 ; <i32> [#uses=1]
%tmp97 = getelementptr [6 x i8]* @.str1, i32 0, i32 0 ; <i8*> [#uses=1]
volatile store i32 %tmp96, i32* @var
%tmp99 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp100 = add i32 %tmp99, 1 ; <i32> [#uses=1]
store i32 %tmp100, i32* %i, align 4
br label %bb101
bb101: ; preds = %bb84, %bb83
%tmp102 = load i32* %i, align 4 ; <i32> [#uses=1]
%tmp103 = icmp sle i32 %tmp102, 2 ; <i1> [#uses=1]
%tmp103104 = zext i1 %tmp103 to i8 ; <i8> [#uses=1]
%toBool105 = icmp ne i8 %tmp103104, 0 ; <i1> [#uses=1]
br i1 %toBool105, label %bb84, label %bb106
bb106: ; preds = %bb101
br label %return
return: ; preds = %bb106
%retval107 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval107
}
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