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-rw-r--r--llvm/test/CodeGen/ARM/indirectbr-3.ll12
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/ARM/indirectbr-3.ll b/llvm/test/CodeGen/ARM/indirectbr-3.ll
index 291fedb8110..da383989332 100644
--- a/llvm/test/CodeGen/ARM/indirectbr-3.ll
+++ b/llvm/test/CodeGen/ARM/indirectbr-3.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 | FileCheck %s
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 -stats 2>&1 | FileCheck %s
; If ARMBaseInstrInfo::AnalyzeBlocks returns the wrong value, which was possible
; for blocks with indirect branches, the IfConverter could end up deleting
@@ -9,9 +9,17 @@
define i32 @preserve_blocks(i32 %x) {
; preserve_blocks:
; CHECK: Block address taken
-; CHECK: movs r0, #2
; CHECK: movs r0, #1
+; CHECK: Block address taken
+; CHECK: movs r0, #2
; CHECK-NOT: Address of block that was removed by CodeGen
+
+; Separate bug. There are no valid diamonds to if-convert in this file.
+; There was a bug in the if-conversion code that would if-convert a false
+; diamond where one side had a return and the other had an indirect branch.
+; Make sure no diamond conversions occurred while compiling this file.
+; CHECK: Statistics Collected
+; CHECK-NOT: 1 ifcvt - Number of diamond if-conversions performed
entry:
%c2 = icmp slt i32 %x, 3
%blockaddr = select i1 %c2, i8* blockaddress(@preserve_blocks, %ibt1), i8* blockaddress(@preserve_blocks, %ibt2)
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