| ; 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" ; <ptr> [#uses=1] |
| |
| declare i32 @printf(ptr, ...) |
| |
| define i32 @main() { |
| %ScalarA = alloca %MixedA ; <ptr> [#uses=1] |
| %ScalarB = alloca %MixedB ; <ptr> [#uses=1] |
| %ArrayA = alloca %MixedA, i32 4 ; <ptr> [#uses=3] |
| %ArrayB = alloca %MixedB, i32 3 ; <ptr> [#uses=2] |
| %I1 = getelementptr %MixedA, ptr %ScalarA, i64 0, i32 0 ; <ptr> [#uses=2] |
| store float 0x3FF6A09020000000, ptr %I1 |
| %I2 = getelementptr %MixedB, ptr %ScalarB, i64 0, i32 1, i32 0 ; <ptr> [#uses=2] |
| store float 0x4005BF1420000000, ptr %I2 |
| %fptrA = getelementptr %MixedA, ptr %ArrayA, i64 1, i32 0 ; <ptr> [#uses=1] |
| %fptrB = getelementptr %MixedB, ptr %ArrayB, i64 2, i32 1, i32 0 ; <ptr> [#uses=1] |
| store float 0x400921CAC0000000, ptr %fptrA |
| store float 5.000000e+00, ptr %fptrB |
| |
| ;; Test that a sequence of GEPs with constant indices are folded right |
| %fptrA1 = getelementptr %MixedA, ptr %ArrayA, i64 3 ; <ptr> [#uses=1] |
| %fptrA2 = getelementptr %MixedA, ptr %fptrA1, i64 0, i32 1 ; <ptr> [#uses=1] |
| %fptrA3 = getelementptr [15 x i32], ptr %fptrA2, i64 0, i64 8 ; <ptr> [#uses=1] |
| store i32 5, ptr %fptrA3 |
| %sqrtTwo = load float, ptr %I1 ; <float> [#uses=1] |
| %exp = load float, ptr %I2 ; <float> [#uses=1] |
| %I3 = getelementptr %MixedA, ptr %ArrayA, i64 1, i32 0 ; <ptr> [#uses=1] |
| %pi = load float, ptr %I3 ; <float> [#uses=1] |
| %I4 = getelementptr %MixedB, ptr %ArrayB, i64 2, i32 1, i32 0 ; <ptr> [#uses=1] |
| %five = load float, ptr %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], ptr @fmtArg, i64 0, i64 0 ; <ptr> [#uses=1] |
| call i32 (ptr, ...) @printf( ptr %castFmt, double %dsqrtTwo, double %dexp, double %dpi, double %dfive ) ; <i32>:1 [#uses=0] |
| ret i32 0 |
| } |