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-rw-r--r--test/CodeGen/Thumb/iabs.ll11
1 files changed, 8 insertions, 3 deletions
diff --git a/test/CodeGen/Thumb/iabs.ll b/test/CodeGen/Thumb/iabs.ll
index d7cdcd8..d03b5b2 100644
--- a/test/CodeGen/Thumb/iabs.ll
+++ b/test/CodeGen/Thumb/iabs.ll
@@ -3,9 +3,9 @@
;; Integer absolute value, should produce something as good as:
;; Thumb:
-;; asr r2, r0, #31
-;; add r0, r0, r2
-;; eor r0, r2
+;; movs r0, r0
+;; bpl
+;; rsb r0, r0, #0 (with opitmization, bpl + rsb is if-converted into rsbmi)
;; bx lr
define i32 @test(i32 %a) {
@@ -13,5 +13,10 @@ define i32 @test(i32 %a) {
%b = icmp sgt i32 %a, -1
%abs = select i1 %b, i32 %a, i32 %tmp1neg
ret i32 %abs
+; CHECK: movs r0, r0
+; CHECK: bpl
+; CHECK: rsb r0, r0, #0
+; CHECK: bx lr
}
+
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