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57 lines
1.8 KiB
LLVM
57 lines
1.8 KiB
LLVM
; RUN: llvm-upgrade %s | llvm-as | llc
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; Test that a sequence of constant indices are folded correctly
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; into the equivalent offset at compile-time.
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%MixedA = type { float, [15 x int], sbyte, float }
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%MixedB = type { float, %MixedA, float }
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%fmtArg = internal global [44 x sbyte] c"sqrt(2) = %g\0Aexp(1) = %g\0Api = %g\0Afive = %g\0A\00"; <[44 x sbyte]*> [#uses=1]
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implementation
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declare int "printf"(sbyte*, ...)
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int "main"()
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begin
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%ScalarA = alloca %MixedA
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%ScalarB = alloca %MixedB
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%ArrayA = alloca %MixedA, uint 4
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%ArrayB = alloca %MixedB, uint 3
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%I1 = getelementptr %MixedA* %ScalarA, long 0, uint 0
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store float 1.4142, float *%I1
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%I2 = getelementptr %MixedB* %ScalarB, long 0, uint 1, uint 0
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store float 2.7183, float *%I2
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%fptrA = getelementptr %MixedA* %ArrayA, long 1, uint 0
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%fptrB = getelementptr %MixedB* %ArrayB, long 2, uint 1, uint 0
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store float 3.1415, float* %fptrA
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store float 5.0, float* %fptrB
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;; Test that a sequence of GEPs with constant indices are folded right
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%fptrA1 = getelementptr %MixedA* %ArrayA, long 3 ; &ArrayA[3]
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%fptrA2 = getelementptr %MixedA* %fptrA1, long 0, uint 1 ; &(*fptrA1).1
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%fptrA3 = getelementptr [15 x int]* %fptrA2, long 0, long 8 ; &(*fptrA2)[8]
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store int 5, int* %fptrA3 ; ArrayA[3].1[8] = 5
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%sqrtTwo = load float *%I1
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%exp = load float *%I2
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%I3 = getelementptr %MixedA* %ArrayA, long 1, uint 0
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%pi = load float* %I3
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%I4 = getelementptr %MixedB* %ArrayB, long 2, uint 1, uint 0
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%five = load float* %I4
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%dsqrtTwo = cast float %sqrtTwo to double
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%dexp = cast float %exp to double
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%dpi = cast float %pi to double
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%dfive = cast float %five to double
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%castFmt = getelementptr [44 x sbyte]* %fmtArg, long 0, long 0
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call int (sbyte*, ...)* %printf(sbyte* %castFmt, double %dsqrtTwo, double %dexp, double %dpi, double %dfive)
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ret int 0
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end
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