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Add last missing __leave test. 

llvm-svn: 230720
This commit is contained in:
Nico Weber 2015-02-27 02:26:14 +00:00
parent b818676f6d
commit 5339a52c9a
1 changed files with 69 additions and 1 deletions
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70
clang/test/CodeGen/exceptions-seh-leave.c
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@ -299,4 +299,72 @@ int nested___finally___except() {
// CHECK: [[ehresume]]
// CHECK: resume
// FIXME: Test with nested __finally blocks.
int nested___finally___finally() {
int myres = 0;
__try {
__try {
g();
myres = 16;
} __finally {
g();
__leave; // Refers to the outer __try, not the __finally we're in!
myres = 23;
return 0;
}
myres = 51;
} __finally {
}
return 1;
}
// The order of basic blocks in the below doesn't matter.
// CHECK-LABEL: define i32 @nested___finally___finally()
// CHECK-LABEL: invoke void bitcast (void (...)* @g to void ()*)()
// CHECK-NEXT: to label %[[g1_cont:.*]] unwind label %[[g1_lpad:.*]]
// CHECK: [[g1_cont]]
// CHECK: store i32 16, i32* %[[myres:[^ ]*]],
// CHECK: store i8 0, i8* %[[abnormal:[^ ]*]]
// CHECK-NEXT: br label %[[finally:[^ ]*]]
// CHECK: [[finally]]
// CHECK-NEXT: invoke void bitcast (void (...)* @g to void ()*)() #3
// CHECK-NEXT: to label %[[g2_cont:.*]] unwind label %[[g2_lpad:.*]]
// CHECK: [[g2_cont]]
// CHECK-NEXT: br label %[[tryleave:[^ ]*]]
// CHECK-NOT: store i32 23
// There's an unreachable block for the skipped `myres = 51`.
// CHECK: store i32 51, i32* %[[myres]]
// CHECK-NEXT: br label %[[tryleave]]
// CHECK: [[tryleave]]
// CHECK-NEXT: store i8 0, i8* %[[abnormal]]
// CHECK-NEXT: br label %[[outerfinally:[^ ]*]]
// CHECK: [[outerfinally]]
// CHECK-NEXT: %[[abnormallocal:[^ ]*]] = load i8* %[[abnormal]]
// CHECK-NEXT: %[[reg:[^ ]*]] = icmp eq i8 %[[abnormallocal]], 0
// CHECK-NEXT: br i1 %[[reg]], label %[[finallycont:[^ ]*]], label %[[finallyresume:[^ ]*]]
// CHECK: [[finallycont]]
// CHECK-NEXT: ret i32 1
// CHECK: [[g1_lpad]]
// CHECK: store i8 1, i8* %[[abnormal]]
// CHECK-NEXT: br label %[[finally:[^ ]*]]
// CHECK: [[g2_lpad]]
// CHECK: br label %[[ehcleanup:[^ ]*]]
// CHECK: [[ehcleanup]]
// CHECK-NEXT: store i8 1, i8* %[[abnormal]]
// CHECK-NEXT: br label %[[outerfinally]]
// CHECK: [[finallyresume]]
// CHECK-NEXT: br label %[[ehresume:[^ ]*]]
// CHECK: [[ehresume]]
// CHECK: resume