Precommit a test for D92015 (NFC)
authorJuneyoung Lee <aqjune@gmail.com>
Fri, 1 Jan 2021 13:35:57 +0000 (22:35 +0900)
committerJuneyoung Lee <aqjune@gmail.com>
Fri, 1 Jan 2021 13:35:57 +0000 (22:35 +0900)
llvm/test/CodeGen/X86/select-prof-codegen.ll [new file with mode: 0644]

diff --git a/llvm/test/CodeGen/X86/select-prof-codegen.ll b/llvm/test/CodeGen/X86/select-prof-codegen.ll
new file mode 100644 (file)
index 0000000..22f7d72
--- /dev/null
@@ -0,0 +1,23 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
+
+; TODO: Compiling the select should not create 'seta - testb $1 - jump' sequence.
+define i32 @f(i32 %x, i32 %y) {
+; CHECK-LABEL: f:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    movl %edi, %eax
+; CHECK-NEXT:    cmpl %esi, %edi
+; CHECK-NEXT:    seta %cl
+; CHECK-NEXT:    testb $1, %cl
+; CHECK-NEXT:    jne .LBB0_2
+; CHECK-NEXT:  # %bb.1: # %select.false
+; CHECK-NEXT:    movl %esi, %eax
+; CHECK-NEXT:  .LBB0_2: # %select.end
+; CHECK-NEXT:    retq
+entry:
+  %cmp = icmp ugt i32 %x, %y
+  %z = select i1 %cmp, i32 %x, i32 %y, !prof !0
+  ret i32 %z
+}
+
+!0 = !{!"branch_weights", i32 1, i32 2000}