Switch-to-lookup tables: set threshold to 3 cases

[oota-llvm.git] / test / Transforms / ConstantMerge / dont-merge.ll

diff --git a/test/Transforms/ConstantMerge/dont-merge.ll b/test/Transforms/ConstantMerge/dont-merge.ll
index cea18a05efb298981a42bf6bf26e81fb32992ee5..e5337dff27dfbcffcd2f7a36979c2557df44ffca 100644 (file)
--- a/test/Transforms/ConstantMerge/dont-merge.ll
+++ b/test/Transforms/ConstantMerge/dont-merge.ll
@@ -1,16 +1,44 @@
-; RUN: opt < %s -constmerge -S | grep foo
-; RUN: opt < %s -constmerge -S | grep bar
+; RUN: opt < %s -constmerge -S | FileCheck %s
 
-; Don't merge constants in different sections.
+; Don't merge constants with specified sections.
 
-@G1 = internal constant i32 1, section "foo"            ; <i32*> [#uses=1]
-@G2 = internal constant i32 1, section "bar"            ; <i32*> [#uses=1]
-@G3 = internal constant i32 1, section "bar"            ; <i32*> [#uses=1]
+@T1G1 = internal constant i32 1, section "foo"
+@T1G2 = internal constant i32 1, section "bar"
+@T1G3 = internal constant i32 1, section "bar"
 
-define void @test(i32** %P1, i32** %P2, i32** %P3) {
-        store i32* @G1, i32** %P1
-        store i32* @G2, i32** %P2
-        store i32* @G3, i32** %P3
+; CHECK: @T1G1
+; CHECK: @T1G2
+; CHECK: @T1G3
+
+define void @test1(i32** %P1, i32** %P2, i32** %P3) {
+        store i32* @T1G1, i32** %P1
+        store i32* @T1G2, i32** %P2
+        store i32* @T1G3, i32** %P3
         ret void
 }
 
+@T2a = internal constant i32 224
+@T2b = internal addrspace(30) constant i32 224
+
+; CHECK: @T2a
+; CHECK: @T2b
+
+define void @test2(i32** %P1, i32 addrspace(30)** %P2) {
+        store i32* @T2a, i32** %P1
+        store i32 addrspace(30)*  @T2b, i32 addrspace(30)** %P2
+        ret void
+}
+
+; PR8144 - Don't merge globals marked attribute(used)
+; CHECK: @T3A = 
+; CHECK: @T3B = 
+
+@T3A = internal constant i32 0
+@T3B = internal constant i32 0
+@llvm.used = appending global [2 x i32*] [i32* @T3A, i32* @T3B], section
+"llvm.metadata"
+
+define void @test3() {
+  call void asm sideeffect "T3A, T3B",""() ; invisible use of T3A and T3B
+  ret void
+}