constindices.ll
2.76 KB
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; RUN: llc < %s
; Test that a sequence of constant indices are folded correctly
; into the equivalent offset at compile-time.
%MixedA = type { float, [15 x i32], i8, float }
%MixedB = type { float, %MixedA, float }
@fmtArg = internal global [44 x i8] c"sqrt(2) = %g\0Aexp(1) = %g\0Api = %g\0Afive = %g\0A\00" ; <[44 x i8]*> [#uses=1]
declare i32 @printf(i8*, ...)
define i32 @main() {
%ScalarA = alloca %MixedA ; <%MixedA*> [#uses=1]
%ScalarB = alloca %MixedB ; <%MixedB*> [#uses=1]
%ArrayA = alloca %MixedA, i32 4 ; <%MixedA*> [#uses=3]
%ArrayB = alloca %MixedB, i32 3 ; <%MixedB*> [#uses=2]
%I1 = getelementptr %MixedA, %MixedA* %ScalarA, i64 0, i32 0 ; <float*> [#uses=2]
store float 0x3FF6A09020000000, float* %I1
%I2 = getelementptr %MixedB, %MixedB* %ScalarB, i64 0, i32 1, i32 0 ; <float*> [#uses=2]
store float 0x4005BF1420000000, float* %I2
%fptrA = getelementptr %MixedA, %MixedA* %ArrayA, i64 1, i32 0 ; <float*> [#uses=1]
%fptrB = getelementptr %MixedB, %MixedB* %ArrayB, i64 2, i32 1, i32 0 ; <float*> [#uses=1]
store float 0x400921CAC0000000, float* %fptrA
store float 5.000000e+00, float* %fptrB
;; Test that a sequence of GEPs with constant indices are folded right
%fptrA1 = getelementptr %MixedA, %MixedA* %ArrayA, i64 3 ; <%MixedA*> [#uses=1]
%fptrA2 = getelementptr %MixedA, %MixedA* %fptrA1, i64 0, i32 1 ; <[15 x i32]*> [#uses=1]
%fptrA3 = getelementptr [15 x i32], [15 x i32]* %fptrA2, i64 0, i64 8 ; <i32*> [#uses=1]
store i32 5, i32* %fptrA3
%sqrtTwo = load float, float* %I1 ; <float> [#uses=1]
%exp = load float, float* %I2 ; <float> [#uses=1]
%I3 = getelementptr %MixedA, %MixedA* %ArrayA, i64 1, i32 0 ; <float*> [#uses=1]
%pi = load float, float* %I3 ; <float> [#uses=1]
%I4 = getelementptr %MixedB, %MixedB* %ArrayB, i64 2, i32 1, i32 0 ; <float*> [#uses=1]
%five = load float, float* %I4 ; <float> [#uses=1]
%dsqrtTwo = fpext float %sqrtTwo to double ; <double> [#uses=1]
%dexp = fpext float %exp to double ; <double> [#uses=1]
%dpi = fpext float %pi to double ; <double> [#uses=1]
%dfive = fpext float %five to double ; <double> [#uses=1]
%castFmt = getelementptr [44 x i8], [44 x i8]* @fmtArg, i64 0, i64 0 ; <i8*> [#uses=1]
call i32 (i8*, ...) @printf( i8* %castFmt, double %dsqrtTwo, double %dexp, double %dpi, double %dfive ) ; <i32>:1 [#uses=0]
ret i32 0
}