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Dan noticed that the verifier wasn't thoroughly checking uses of

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invoke results (see the testcases).  Tighten up the checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72586 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2009-05-29 19:39:36 +00:00
parent d80ddc0b64
commit 44008257a4
4 changed files with 99 additions and 50 deletions
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15
test/Verifier/2009-05-29-InvokeResult1.ll Normal file
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@@ -0,0 +1,15 @@
; RUN: not llvm-as < %s >& /dev/null
declare i32 @v()
define i32 @f() {
e:
%r = invoke i32 @v()
to label %c unwind label %u ; <i32> [#uses=2]
c: ; preds = %e
ret i32 %r
u: ; preds = %e
ret i32 %r
}

16
test/Verifier/2009-05-29-InvokeResult2.ll Normal file
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@@ -0,0 +1,16 @@
; RUN: not llvm-as < %s >& /dev/null
declare i32 @v()
define i32 @g() {
e:
%s = invoke i32 @v()
to label %c unwind label %u ; <i32> [#uses=2]
c: ; preds = %e
ret i32 %s
u: ; preds = %e
%t = phi i32 [ %s, %e ] ; <i32> [#uses=1]
ret i32 %t
}

19
test/Verifier/2009-05-29-InvokeResult3.ll Normal file
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@@ -0,0 +1,19 @@
; RUN: not llvm-as < %s >& /dev/null
declare i32 @v()
define i32 @h() {
e:
%s = invoke i32 @v()
to label %c unwind label %u ; <i32> [#uses=2]
c: ; preds = %e
br label %d
d: ; preds = %u, %c
%p = phi i32 [ %s, %c ], [ %s, %u ] ; <i32> [#uses=1]
ret i32 %p
u: ; preds = %e
br label %d
}