Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
GitOrigin-RevId: cee313d288a4faf0355d76fb6e0e927e211d08a5
diff --git a/test/Transforms/SCCP/apint-ipsccp4.ll b/test/Transforms/SCCP/apint-ipsccp4.ll
new file mode 100644
index 0000000..be06d03
--- /dev/null
+++ b/test/Transforms/SCCP/apint-ipsccp4.ll
@@ -0,0 +1,49 @@
+; This test makes sure that these instructions are properly constant propagated.
+
+; RUN: opt < %s -ipsccp -S | not grep load
+; RUN: opt < %s -ipsccp -S | not grep add
+; RUN: opt < %s -ipsccp -S | not grep phi
+
+
+@Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 },
+ { i212, float } { i212 37, float 2.0 } ]
+
+define internal float @test2() {
+ %A = getelementptr [2 x { i212, float}], [2 x { i212, float}]* @Y, i32 0, i32 1, i32 1
+ %B = load float, float* %A
+ ret float %B
+}
+
+define internal float @test3() {
+ %A = getelementptr [2 x { i212, float}], [2 x { i212, float}]* @Y, i32 0, i32 0, i32 1
+ %B = load float, float* %A
+ ret float %B
+}
+
+define internal float @test()
+{
+ %A = call float @test2()
+ %B = call float @test3()
+
+ %E = fdiv float %B, %A
+ ret float %E
+}
+
+define float @All()
+{
+ %A = call float @test()
+ %B = fcmp oge float %A, 1.0
+ br i1 %B, label %T, label %F
+T:
+ %C = fadd float %A, 1.0
+ br label %exit
+F:
+ %D = fadd float %A, 2.0
+ br label %exit
+exit:
+ %E = phi float [%C, %T], [%D, %F]
+ ret float %E
+}
+
+
+
