Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/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
+}
+
+
+