Use the llvm-upgrade program to upgrade llvm assembly.

[oota-llvm.git] / test / Transforms / InstCombine / load.ll

diff --git a/test/Transforms/InstCombine/load.ll b/test/Transforms/InstCombine/load.ll
index f085346597bab92e4a7669a5bf812f59defaa9bd..58f9894903bee69a4af9323907440922027d8d80 100644 (file)
--- a/test/Transforms/InstCombine/load.ll
+++ b/test/Transforms/InstCombine/load.ll
@@ -1,26 +1,74 @@
 ; This test makes sure that these instructions are properly eliminated.
 ;
 
-; RUN: as < %s | opt -instcombine | dis | not grep load
+; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep load
 
 %X = constant int 42
+%X2 = constant int 47
 %Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 }, 
                                      { int, float } { int 37, float 1.2312 } ]
+%Z = constant [2 x { int, float }] zeroinitializer
+
 int %test1() {
        %B = load int* %X
        ret int %B
 }
 
 float %test2() {
-       %A = getelementptr [2 x { int, float}]* %Y, long 0, long 1, ubyte 1
+       %A = getelementptr [2 x { int, float}]* %Y, long 0, long 1, uint 1
        %B = load float* %A
        ret float %B
 }
 
+
 int %test3() {
-       %A = getelementptr [2 x { int, float}]* %Y, long 0, long 0, ubyte 0
+       %A = getelementptr [2 x { int, float}]* %Y, long 0, long 0, uint 0
        %B = load int* %A
        ret int %B
 }
 
+int %test4() {
+       %A = getelementptr [2 x { int, float}]* %Z, long 0, long 1, uint 0
+       %B = load int* %A
+       ret int %B
+}
+
+; load (select (Cond, &V1, &V2))  --> select(Cond, load &V1, load &V2)
+int %test5(bool %C) {
+       %Y = select bool %C, int* %X, int* %X2
+       %Z = load int* %Y
+       ret int %Z
+}
+
+int %test7(int %X) {
+       %V = getelementptr int* null, int %X
+       %R = load int* %V
+       ret int %R
+}
+
+int %test8(int* %P) {
+       store int 1, int* %P
+       %X = load int* %P        ;; Trivial store->load forwarding
+       ret int %X
+}
 
+int %test9(int* %P) {
+       %X = load int* %P        ;; Trivial load cse
+       %Y = load int* %P
+       %Z = sub int %X, %Y
+       ret int %Z
+}
+
+int %test10(bool %C, int* %P, int* %Q) {
+       br bool %C, label %T, label %F
+T:
+       store int 1, int* %Q
+       store int 0, int* %P
+       br label %C
+F:
+       store int 0, int* %P
+       br label %C
+C:
+       %V = load int* %P   ;; always 0
+       ret int %V
+}