[llvm] 7927c4c - [X86] Add test cases for PR57549. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-09-05T13:12:18-07:00
New Revision: 7927c4c5ce8cd5eae07fce12199f979d8586cec2

URL: https://github.com/llvm/llvm-project/commit/7927c4c5ce8cd5eae07fce12199f979d8586cec2
DIFF: https://github.com/llvm/llvm-project/commit/7927c4c5ce8cd5eae07fce12199f979d8586cec2.diff

LOG: [X86] Add test cases for PR57549. NFC

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/extmul128.ll

Removed: 
    


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diff  --git a/llvm/test/CodeGen/X86/extmul128.ll b/llvm/test/CodeGen/X86/extmul128.ll
index 09ad58029b94a..a7f2959a23c2c 100644
--- a/llvm/test/CodeGen/X86/extmul128.ll
+++ b/llvm/test/CodeGen/X86/extmul128.ll
@@ -23,3 +23,33 @@ define i128 @i64_zext_i128(i64 %a, i64 %b) {
   %cc = mul i128 %aa, %bb
   ret i128 %cc
 }
+define i128 @i64_zext_sext_i128(i64 %a, i64 %b) {
+; CHECK-LABEL: i64_zext_sext_i128:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movq %rdi, %rax
+; CHECK-NEXT:    mulq %rsi
+; CHECK-NEXT:    sarq $63, %rsi
+; CHECK-NEXT:    imulq %rdi, %rsi
+; CHECK-NEXT:    addq %rsi, %rdx
+; CHECK-NEXT:    retq
+  %aa = zext i64 %a to i128
+  %bb = sext i64 %b to i128
+  %cc = mul i128 %aa, %bb
+  ret i128 %cc
+}
+
+define i128 @i64_sext_zext_i128(i64 %a, i64 %b) {
+; CHECK-LABEL: i64_sext_zext_i128:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movq %rdi, %rax
+; CHECK-NEXT:    movq %rdi, %rcx
+; CHECK-NEXT:    sarq $63, %rcx
+; CHECK-NEXT:    mulq %rsi
+; CHECK-NEXT:    imulq %rsi, %rcx
+; CHECK-NEXT:    addq %rcx, %rdx
+; CHECK-NEXT:    retq
+  %aa = sext i64 %a to i128
+  %bb = zext i64 %b to i128
+  %cc = mul i128 %aa, %bb
+  ret i128 %cc
+}