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; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
define i32 @f1(i32 %x) {
%y = add i32 %z, 1
%z = add i32 %x, 1
ret i32 %y
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %z = add i32 %x, 1
; CHECK-NEXT: %y = add i32 %z, 1
}
declare i32 @g()
define void @f2(i32 %x) personality i32 ()* @g {
bb0:
%y1 = invoke i32 @g() to label %bb1 unwind label %bb2
bb1:
ret void
bb2:
%y2 = phi i32 [%y1, %bb0]
%y3 = landingpad i32
cleanup
ret void
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %y1 = invoke i32 @g()
; CHECK-NEXT: to label %bb1 unwind label %bb2
; CHECK-NEXT: %y2 = phi i32 [ %y1, %bb0 ]
}
define void @f3(i32 %x) personality i32 ()* @g {
bb0:
%y1 = invoke i32 @g() to label %bb1 unwind label %bb2
bb1:
ret void
bb2:
%y2 = landingpad i32
cleanup
br label %bb3
bb3:
%y3 = phi i32 [%y1, %bb2]
ret void
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %y1 = invoke i32 @g()
; CHECK-NEXT: to label %bb1 unwind label %bb2
; CHECK-NEXT: %y3 = phi i32 [ %y1, %bb2 ]
}
define void @f4(i32 %x) {
bb0:
br label %bb1
bb1:
%y3 = phi i32 [%y1, %bb0]
%y1 = add i32 %x, 1
ret void
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %y1 = add i32 %x, 1
; CHECK-NEXT: %y3 = phi i32 [ %y1, %bb0 ]
}
define void @f5() {
entry:
br label %next
next:
%y = phi i32 [ 0, %entry ]
%x = phi i32 [ %y, %entry ]
ret void
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %y = phi i32 [ 0, %entry ]
; CHECK-NEXT: %x = phi i32 [ %y, %entry ]
}
define i32 @f6(i32 %x) {
bb0:
%y1 = callbr i32 asm "", "=r"() to label %bb1 [label %bb2]
bb1:
ret i32 0
bb2:
ret i32 %y1
; CHECK: Instruction does not dominate all uses!
; CHECK-NEXT: %y1 = callbr i32 asm "", "=r"()
; CHECK-NEXT: to label %bb1 [label %bb2]
; CHECK-NEXT: ret i32 %y1
}
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