[NFC][PowerPC] Add the test add_cmp.ll

llvm-svn: 365285

Author: zhangkangcool

llvm/test/CodeGen/PowerPC/add_cmp.ll

@@ -0,0 +1,76 @@
+; REQUIRES: asserts
+; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu < %s \
+; RUN:   -verify-machineinstrs -debug 2>&1 | FileCheck %s
+
+define zeroext i1 @addiCmpiUnsign(i32 zeroext %x) {
+entry:
+  %add = add nuw i32 10, %x 
+  %cmp = icmp ugt i32 %add, 100
+  ret i1 %cmp
+
+; CHECK: === addiCmpiUnsign
+; CHECK: Optimized lowered selection DAG: %bb.0 'addiCmpiUnsign:entry'
+; CHECK:   [[REG1:t[0-9]+]]: i32 = truncate {{t[0-9]+}}
+; CHECK:   [[REG2:t[0-9]+]]: i32 = add nuw [[REG1]], Constant:i32<10>
+; CHECK:   {{t[0-9]+}}: i1 = setcc [[REG2]], Constant:i32<100>, setugt:ch
+}
+
+define zeroext i1 @addiCmpiSign(i32 signext %x) {
+entry:
+  %add = add nsw i32 16, %x 
+  %cmp = icmp sgt i32 %add, 30
+  ret i1 %cmp
+
+; CHECK: === addiCmpiSign
+; CHECK: Optimized lowered selection DAG: %bb.0 'addiCmpiSign:entry'
+; CHECK:   [[REG1:t[0-9]+]]: i32 = truncate {{t[0-9]+}}
+; CHECK:   [[REG2:t[0-9]+]]: i32 = add nsw [[REG1]], Constant:i32<16>
+; CHECK:   {{t[0-9]+}}: i1 = setcc [[REG2]], Constant:i32<30>, setgt:ch
+}
+
+define zeroext i1 @addiCmpiUnsignOverflow(i32 zeroext %x) {
+entry:
+  %add = add nuw i32 110, %x 
+  %cmp = icmp ugt i32 %add, 100
+  ret i1 %cmp
+
+; CHECK: === addiCmpiUnsignOverflow
+; CHECK: Optimized lowered selection DAG: %bb.0 'addiCmpiUnsignOverflow:entry'
+; CHECK:   [[REG1:t[0-9]+]]: i32 = truncate {{t[0-9]+}}
+; CHECK:   [[REG2:t[0-9]+]]: i32 = add nuw [[REG1]], Constant:i32<110>
+; CHECK:   {{t[0-9]+}}: i1 = setcc [[REG2]], Constant:i32<100>, setugt:ch
+}
+
+define zeroext i1 @addiCmpiSignOverflow(i16 signext %x) {
+entry:
+  %add = add nsw i16 16, %x 
+  %cmp = icmp sgt i16 %add, -32767
+  ret i1 %cmp
+
+; CHECK: === addiCmpiSignOverflow
+; CHECK: Optimized lowered selection DAG: %bb.0 'addiCmpiSignOverflow:entry'
+; CHECK:   [[REG1:t[0-9]+]]: i16 = truncate {{t[0-9]+}}
+; CHECK:   [[REG2:t[0-9]+]]: i16 = add nsw [[REG1]], Constant:i16<16>
+; CHECK:   {{t[0-9]+}}: i1 = setcc [[REG2]], Constant:i16<-32767>, setgt:ch
+}
+
+define zeroext i1 @addiCmpiNE(i16* %d) {
+entry:
+  %0 = load i16, i16* %d, align 2
+  %dec = add i16 %0, 100
+  store i16 %dec, i16* %d, align 2
+  %tobool = icmp eq i16 %dec, 40
+  br i1 %tobool, label %land.end, label %land.rhs
+
+land.rhs:       
+  ret i1 true
+
+land.end:      
+  ret i1 false
+
+; CHECK: === addiCmpiNE
+; CHECK: Optimized lowered selection DAG: %bb.0 'addiCmpiNE:entry'
+; CHECK:   [[REG1:t[0-9]+]]: i16,ch = load
+; CHECK:   [[REG2:t[0-9]+]]: i16 = add [[REG1]], Constant:i16<100>
+; CHECK:   {{t[0-9]+}}: i1 = setcc [[REG2]], Constant:i16<40>, seteq:ch
+}