[AArch64]Merge narrow zero stores to a wider store

[oota-llvm.git] / test / CodeGen / AArch64 / arm64-xaluo.ll

diff --git a/test/CodeGen/AArch64/arm64-xaluo.ll b/test/CodeGen/AArch64/arm64-xaluo.ll
index d23eb877b99e2cdc7d0e9b0d1de0caf5e5c0088f..ce9c0a64b5872a31aa886945ba4f7e5b3d2a978e 100644 (file)
--- a/test/CodeGen/AArch64/arm64-xaluo.ll
+++ b/test/CodeGen/AArch64/arm64-xaluo.ll
@@ -1,5 +1,5 @@
 ; RUN: llc -march=arm64 -aarch64-atomic-cfg-tidy=0                             -verify-machineinstrs < %s | FileCheck %s
-; RUN: llc -march=arm64 -aarch64-atomic-cfg-tidy=0 -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -march=arm64 -aarch64-atomic-cfg-tidy=0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
 
 ;
 ; Get the actual value of the overflow bit.
@@ -217,6 +217,18 @@ entry:
   ret i1 %obit
 }
 
+define zeroext i1 @smulo2.i64(i64 %v1, i64* %res) {
+entry:
+; CHECK-LABEL:  smulo2.i64
+; CHECK:        adds [[MREG:x[0-9]+]], x0, x0
+; CHECK-NEXT:   cset {{w[0-9]+}}, vs
+  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 2)
+  %val = extractvalue {i64, i1} %t, 0
+  %obit = extractvalue {i64, i1} %t, 1
+  store i64 %val, i64* %res
+  ret i1 %obit
+}
+
 define zeroext i1 @umulo.i32(i32 %v1, i32 %v2, i32* %res) {
 entry:
 ; CHECK-LABEL:  umulo.i32
@@ -243,6 +255,18 @@ entry:
   ret i1 %obit
 }
 
+define zeroext i1 @umulo2.i64(i64 %v1, i64* %res) {
+entry:
+; CHECK-LABEL:  umulo2.i64
+; CHECK:        adds [[MREG:x[0-9]+]], x0, x0
+; CHECK-NEXT:   cset {{w[0-9]+}}, hs
+  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 2)
+  %val = extractvalue {i64, i1} %t, 0
+  %obit = extractvalue {i64, i1} %t, 1
+  store i64 %val, i64* %res
+  ret i1 %obit
+}
+
 
 ;
 ; Check the use of the overflow bit in combination with a select instruction.
@@ -563,6 +587,23 @@ continue:
   ret i1 true
 }
 
+define zeroext i1 @smulo2.br.i64(i64 %v1) {
+entry:
+; CHECK-LABEL:  smulo2.br.i64
+; CHECK:        cmn  x0, x0
+; CHECK-NEXT:   b.vc
+  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 2)
+  %val = extractvalue {i64, i1} %t, 0
+  %obit = extractvalue {i64, i1} %t, 1
+  br i1 %obit, label %overflow, label %continue
+
+overflow:
+  ret i1 false
+
+continue:
+  ret i1 true
+}
+
 define zeroext i1 @umulo.br.i32(i32 %v1, i32 %v2) {
 entry:
 ; CHECK-LABEL:  umulo.br.i32
@@ -598,6 +639,23 @@ continue:
   ret i1 true
 }
 
+define zeroext i1 @umulo2.br.i64(i64 %v1) {
+entry:
+; CHECK-LABEL:  umulo2.br.i64
+; CHECK:        cmn  x0, x0
+; CHECK-NEXT:   b.lo
+  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 2)
+  %val = extractvalue {i64, i1} %t, 0
+  %obit = extractvalue {i64, i1} %t, 1
+  br i1 %obit, label %overflow, label %continue
+
+overflow:
+  ret i1 false
+
+continue:
+  ret i1 true
+}
+
 declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
 declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
 declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone