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-rw-r--r--test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll b/test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll
new file mode 100644
index 0000000000..70335ace50
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll
@@ -0,0 +1,36 @@
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=arm64-apple-darwin | FileCheck %s
+
+@fn.table = internal global [2 x i8*] [i8* blockaddress(@fn, %ZERO), i8* blockaddress(@fn, %ONE)], align 8
+
+define i32 @fn(i32 %target) nounwind {
+entry:
+; CHECK: @fn
+ %retval = alloca i32, align 4
+ %target.addr = alloca i32, align 4
+ store i32 %target, i32* %target.addr, align 4
+ %0 = load i32* %target.addr, align 4
+ %idxprom = zext i32 %0 to i64
+ %arrayidx = getelementptr inbounds [2 x i8*]* @fn.table, i32 0, i64 %idxprom
+ %1 = load i8** %arrayidx, align 8
+ br label %indirectgoto
+
+ZERO: ; preds = %indirectgoto
+; CHECK: LBB0_1
+ store i32 0, i32* %retval
+ br label %return
+
+ONE: ; preds = %indirectgoto
+; CHECK: LBB0_2
+ store i32 1, i32* %retval
+ br label %return
+
+return: ; preds = %ONE, %ZERO
+ %2 = load i32* %retval
+ ret i32 %2
+
+indirectgoto: ; preds = %entry
+; CHECK: ldr x0, [sp]
+; CHECK: br x0
+ %indirect.goto.dest = phi i8* [ %1, %entry ]
+ indirectbr i8* %indirect.goto.dest, [label %ZERO, label %ONE]
+}