Reapply "[ARM] Combine CMOV into BFI where possible"

[oota-llvm.git] / test / CodeGen / ARM / bfi.ll

diff --git a/test/CodeGen/ARM/bfi.ll b/test/CodeGen/ARM/bfi.ll
index bce09da7618acb52d71f5e45be69474434b7bc7b..0707838e9efd3b4b1d1aac48950823bd18333343 100644 (file)
--- a/test/CodeGen/ARM/bfi.ll
+++ b/test/CodeGen/ARM/bfi.ll
@@ -9,7 +9,7 @@ entry:
 ; CHECK: f1
 ; CHECK: mov r2, #10
 ; CHECK: bfi r1, r2, #22, #4
-  %0 = load i32* bitcast (%struct.F* @X to i32*), align 4 ; <i32> [#uses=1]
+  %0 = load i32, i32* bitcast (%struct.F* @X to i32*), align 4 ; <i32> [#uses=1]
   %1 = and i32 %0, -62914561                      ; <i32> [#uses=1]
   %2 = or i32 %1, 41943040                        ; <i32> [#uses=1]
   store i32 %2, i32* bitcast (%struct.F* @X to i32*), align 4
@@ -74,3 +74,37 @@ entry:
   %or = or i32 %shl, %and
   ret i32 %or
 }
+
+define i32 @f7(i32 %x, i32 %y) {
+; CHECK-LABEL: f7:
+; CHECK: bfi r1, r0, #4, #1
+  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
+  %and = and i32 %x, 4
+  %or = or i32 %y2, 16
+  %cmp = icmp ne i32 %and, 0
+  %sel = select i1 %cmp, i32 %or, i32 %y2
+  ret i32 %sel
+}
+
+define i32 @f8(i32 %x, i32 %y) {
+; CHECK-LABEL: f8:
+; CHECK: bfi r1, r0, #4, #1
+; CHECK: bfi r1, r0, #5, #1
+  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
+  %and = and i32 %x, 4
+  %or = or i32 %y2, 48
+  %cmp = icmp ne i32 %and, 0
+  %sel = select i1 %cmp, i32 %or, i32 %y2
+  ret i32 %sel
+}
+
+define i32 @f9(i32 %x, i32 %y) {
+; CHECK-LABEL: f9:
+; CHECK-NOT: bfi
+  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
+  %and = and i32 %x, 4
+  %or = or i32 %y2, 48
+  %cmp = icmp ne i32 %and, 0
+  %sel = select i1 %cmp, i32 %y2, i32 %or
+  ret i32 %sel
+}