Merging r258325:

[oota-llvm.git] / test / Transforms / Inline / always-inline.ll

diff --git a/test/Transforms/Inline/always-inline.ll b/test/Transforms/Inline/always-inline.ll
index 40091d7518a4f1271fcd83a4489f6bc01f3a6ea5..5ad1bde3e2d21b7ec65332ba0e4ed948eaede89a 100644 (file)
--- a/test/Transforms/Inline/always-inline.ll
+++ b/test/Transforms/Inline/always-inline.ll
@@ -8,7 +8,7 @@ define i32 @inner1() alwaysinline {
   ret i32 1
 }
 define i32 @outer1() {
-; CHECK: @outer1
+; CHECK-LABEL: @outer1(
 ; CHECK-NOT: call
 ; CHECK: ret
 
@@ -17,7 +17,7 @@ define i32 @outer1() {
 }
 
 ; The always inliner can't DCE internal functions. PR2945
-; CHECK: @pr2945
+; CHECK-LABEL: @pr2945(
 define internal i32 @pr2945() nounwind {
   ret i32 0
 }
@@ -31,12 +31,105 @@ define void @outer2(i32 %N) {
 ; a function with a dynamic alloca into one without a dynamic alloca.
 ; rdar://6655932
 ;
-; CHECK: @outer2
+; CHECK-LABEL: @outer2(
 ; CHECK-NOT: call void @inner2
-; CHECK alloca i32, i32 %N
 ; CHECK-NOT: call void @inner2
 ; CHECK: ret void
 
   call void @inner2( i32 %N )
   ret void
 }
+
+declare i32 @a() returns_twice
+declare i32 @b() returns_twice
+
+define i32 @inner3() alwaysinline {
+entry:
+  %call = call i32 @a() returns_twice
+  %add = add nsw i32 1, %call
+  ret i32 %add
+}
+define i32 @outer3() {
+entry:
+; CHECK-LABEL: @outer3(
+; CHECK-NOT: call i32 @a
+; CHECK: ret
+
+  %call = call i32 @inner3()
+  %add = add nsw i32 1, %call
+  ret i32 %add
+}
+
+define i32 @inner4() alwaysinline returns_twice {
+entry:
+  %call = call i32 @b() returns_twice
+  %add = add nsw i32 1, %call
+  ret i32 %add
+}
+
+define i32 @outer4() {
+entry:
+; CHECK-LABEL: @outer4(
+; CHECK: call i32 @b()
+; CHECK: ret
+
+  %call = call i32 @inner4() returns_twice
+  %add = add nsw i32 1, %call
+  ret i32 %add
+}
+
+define i32 @inner5(i8* %addr) alwaysinline {
+entry:
+  indirectbr i8* %addr, [ label %one, label %two ]
+
+one:
+  ret i32 42
+
+two:
+  ret i32 44
+}
+define i32 @outer5(i32 %x) {
+; CHECK-LABEL: @outer5(
+; CHECK: call i32 @inner5
+; CHECK: ret
+
+  %cmp = icmp slt i32 %x, 42
+  %addr = select i1 %cmp, i8* blockaddress(@inner5, %one), i8* blockaddress(@inner5, %two)
+  %call = call i32 @inner5(i8* %addr)
+  ret i32 %call
+}
+
+define void @inner6(i32 %x) alwaysinline {
+entry:
+  %icmp = icmp slt i32 %x, 0
+  br i1 %icmp, label %return, label %bb
+
+bb:
+  %sub = sub nsw i32 %x, 1
+  call void @inner6(i32 %sub)
+  ret void
+
+return:
+  ret void
+}
+define void @outer6() {
+; CHECK-LABEL: @outer6(
+; CHECK: call void @inner6(i32 42)
+; CHECK: ret
+
+entry:
+  call void @inner6(i32 42)
+  ret void
+}
+
+define i32 @inner7() {
+  ret i32 1
+}
+define i32 @outer7() {
+; CHECK-LABEL: @outer7(
+; CHECK-NOT: call
+; CHECK: ret
+
+   %r = call i32 @inner7() alwaysinline
+   ret i32 %r
+}