[llvm] 86cc722 - [X86] Added testcases for PR47024 and PR46315

[Dávid Bolvanský via llvm-commits]

Author: Dávid Bolvanský
Date: 2020-08-09T22:05:21+02:00
New Revision: 86cc7226874ad471d07066172fa0b023b1c3f37c

URL: https://github.com/llvm/llvm-project/commit/86cc7226874ad471d07066172fa0b023b1c3f37c
DIFF: https://github.com/llvm/llvm-project/commit/86cc7226874ad471d07066172fa0b023b1c3f37c.diff

LOG: [X86] Added testcases for PR47024 and PR46315

Added: 
    llvm/test/CodeGen/X86/mov-zero-to-xor.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/mov-zero-to-xor.ll b/llvm/test/CodeGen/X86/mov-zero-to-xor.ll
new file mode 100644
index 000000000000..82cb1247524f
--- /dev/null
+++ b/llvm/test/CodeGen/X86/mov-zero-to-xor.ll
@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
+
+declare void @foo(i64, i64, i64, i64, i64, i64)
+declare void @bar(i32, i32, i32, i32, i32)
+
+define void @pr47024() {
+; CHECK-LABEL: pr47024:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movabsq $21542142465, %rdi # imm = 0x504030201
+; CHECK-NEXT:    movabsq $723401749922909195, %rdx # imm = 0xA0A0A0F0E0D0C0B
+; CHECK-NEXT:    movabsq $723401728380766730, %rcx # imm = 0xA0A0A0A0A0A0A0A
+; CHECK-NEXT:    movabsq $1446803478303675925, %r8 # imm = 0x1414141918171615
+; CHECK-NEXT:    movabsq $798285110420182026, %r9 # imm = 0xB1414141414140A
+; CHECK-NEXT:    xorl %esi, %esi
+; CHECK-NEXT:    jmp foo # TAILCALL
+  tail call void @foo(i64 21542142465, i64 0, i64 723401749922909195, i64 723401728380766730, i64 1446803478303675925, i64 798285110420182026)
+  ret void
+}
+
+define void @pr46315() {
+; CHECK-LABEL: pr46315:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorl %edi, %edi
+; CHECK-NEXT:    xorl %esi, %esi
+; CHECK-NEXT:    movl $2, %edx
+; CHECK-NEXT:    movl $3, %ecx
+; CHECK-NEXT:    movl $1, %r8d
+; CHECK-NEXT:    jmp bar # TAILCALL
+  tail call void @bar(i32 0, i32 0, i32 2, i32 3, i32 1)
+  ret void
+}