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-rw-r--r--test/CodeGen/AArch64/fast-isel-int-ext5.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fast-isel-int-ext5.ll b/test/CodeGen/AArch64/fast-isel-int-ext5.ll
new file mode 100644
index 0000000..0f9ec62
--- /dev/null
+++ b/test/CodeGen/AArch64/fast-isel-int-ext5.ll
@@ -0,0 +1,19 @@
+; RUN: llc -mtriple=aarch64-apple-darwin -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: int_ext_opt
+define i64 @int_ext_opt(i8* %addr, i1 %c1, i1 %c2) {
+entry:
+ %0 = load i8, i8* %addr
+ br i1 %c1, label %bb1, label %bb2
+
+bb1:
+ %1 = zext i8 %0 to i64
+ br i1 %c2, label %bb2, label %exit
+
+bb2:
+ %2 = phi i64 [1, %entry], [%1, %bb1]
+ ret i64 %2
+
+exit:
+ ret i64 0
+}