ret i32 1
}
define i32 @outer1() {
-; CHECK: @outer1
+; CHECK-LABEL: @outer1(
; CHECK-NOT: call
; CHECK: ret
}
; The always inliner can't DCE internal functions. PR2945
-; CHECK: @pr2945
+; CHECK-LABEL: @pr2945(
define internal i32 @pr2945() nounwind {
ret i32 0
}
; 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
+}