1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/constindices.ll b/test/CodeGen/Generic/constindices.ll
new file mode 100644
index 0000000..7deb30f
--- /dev/null
+++ b/test/CodeGen/Generic/constindices.ll
@@ -0,0 +1,44 @@
+; 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* %ScalarA, i64 0, i32 0             ; <float*> [#uses=2]
+        store float 0x3FF6A09020000000, float* %I1
+        %I2 = getelementptr %MixedB* %ScalarB, i64 0, i32 1, i32 0              ; <float*> [#uses=2]
+        store float 0x4005BF1420000000, float* %I2
+        %fptrA = getelementptr %MixedA* %ArrayA, i64 1, i32 0           ; <float*> [#uses=1]
+        %fptrB = getelementptr %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* %ArrayA, i64 3         ; <%MixedA*> [#uses=1]
+        %fptrA2 = getelementptr %MixedA* %fptrA1, i64 0, i32 1          ; <[15 x i32]*> [#uses=1]
+        %fptrA3 = getelementptr [15 x i32]* %fptrA2, i64 0, i64 8               ; <i32*> [#uses=1]
+        store i32 5, i32* %fptrA3
+        %sqrtTwo = load float* %I1              ; <float> [#uses=1]
+        %exp = load float* %I2          ; <float> [#uses=1]
+        %I3 = getelementptr %MixedA* %ArrayA, i64 1, i32 0              ; <float*> [#uses=1]
+        %pi = load float* %I3           ; <float> [#uses=1]
+        %I4 = getelementptr %MixedB* %ArrayB, i64 2, i32 1, i32 0               ; <float*> [#uses=1]
+        %five = load 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]* @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
+}