[llvm] r296178 - [ARM] add tests for alternate forms of select-of-constants; NFC

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Fri Feb 24 15:36:34 2017
New Revision: 296178

URL: http://llvm.org/viewvc/llvm-project?rev=296178&view=rev
Log:
[ARM] add tests for alternate forms of select-of-constants; NFC

Modified:
    llvm/trunk/test/CodeGen/ARM/select_const.ll

Modified: llvm/trunk/test/CodeGen/ARM/select_const.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/select_const.ll?rev=296178&r1=296177&r2=296178&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/select_const.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/select_const.ll Fri Feb 24 15:36:34 2017
@@ -95,6 +95,39 @@ define i32 @select_0_or_neg1_signext(i1
   ret i32 %sel
 }
 
+define i32 @select_0_or_neg1_alt(i1 %cond) {
+; CHECK-LABEL: select_0_or_neg1_alt:
+; CHECK:       @ BB#0:
+; CHECK-NEXT:    mov r1, #1
+; CHECK-NEXT:    bic r0, r1, r0
+; CHECK-NEXT:    rsb r0, r0, #0
+; CHECK-NEXT:    mov pc, lr
+  %z = zext i1 %cond to i32
+  %add = add i32 %z, -1
+  ret i32 %add
+}
+
+define i32 @select_0_or_neg1_alt_zeroext(i1 zeroext %cond) {
+; CHECK-LABEL: select_0_or_neg1_alt_zeroext:
+; CHECK:       @ BB#0:
+; CHECK-NEXT:    eor r0, r0, #1
+; CHECK-NEXT:    rsb r0, r0, #0
+; CHECK-NEXT:    mov pc, lr
+  %z = zext i1 %cond to i32
+  %add = add i32 %z, -1
+  ret i32 %add
+}
+
+define i32 @select_0_or_neg1_alt_signext(i1 signext %cond) {
+; CHECK-LABEL: select_0_or_neg1_alt_signext:
+; CHECK:       @ BB#0:
+; CHECK-NEXT:    mvn r0, r0
+; CHECK-NEXT:    mov pc, lr
+  %z = zext i1 %cond to i32
+  %add = add i32 %z, -1
+  ret i32 %add
+}
+
 ; select Cond, -1, 0 --> sext (Cond)
 
 define i32 @select_neg1_or_0(i1 %cond) {