[llvm] c793f4a - [RISCV] Add test coverage for mul (zext), 2^N + 2/4/8 [nfc]
Philip Reames via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 23 08:51:31 PDT 2024
Author: Philip Reames
Date: 2024-04-23T08:51:23-07:00
New Revision: c793f4a4dab058cee4f283100946a1bb8e465f59
URL: https://github.com/llvm/llvm-project/commit/c793f4a4dab058cee4f283100946a1bb8e465f59
DIFF: https://github.com/llvm/llvm-project/commit/c793f4a4dab058cee4f283100946a1bb8e465f59.diff
LOG: [RISCV] Add test coverage for mul (zext), 2^N + 2/4/8 [nfc]
Added:
Modified:
llvm/test/CodeGen/RISCV/rv64zba.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/RISCV/rv64zba.ll b/llvm/test/CodeGen/RISCV/rv64zba.ll
index f31de84b8b047c..4eb493d642e853 100644
--- a/llvm/test/CodeGen/RISCV/rv64zba.ll
+++ b/llvm/test/CodeGen/RISCV/rv64zba.ll
@@ -753,6 +753,25 @@ define i64 @mul288(i64 %a) {
ret i64 %c
}
+define i64 @zext_mul68(i32 signext %a) {
+; RV64I-LABEL: zext_mul68:
+; RV64I: # %bb.0:
+; RV64I-NEXT: li a1, 17
+; RV64I-NEXT: slli a1, a1, 34
+; RV64I-NEXT: slli a0, a0, 32
+; RV64I-NEXT: mulhu a0, a0, a1
+; RV64I-NEXT: ret
+;
+; RV64ZBA-LABEL: zext_mul68:
+; RV64ZBA: # %bb.0:
+; RV64ZBA-NEXT: slli.uw a1, a0, 6
+; RV64ZBA-NEXT: sh2add.uw a0, a0, a1
+; RV64ZBA-NEXT: ret
+ %b = zext i32 %a to i64
+ %c = mul i64 %b, 68
+ ret i64 %c
+}
+
define i64 @zext_mul96(i32 signext %a) {
; RV64I-LABEL: zext_mul96:
; RV64I: # %bb.0:
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