diff options
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/fold-rlwinm-1.ll | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/fold-rlwinm-1.ll b/llvm/test/CodeGen/PowerPC/fold-rlwinm-1.ll new file mode 100644 index 00000000000..b0586b06cd1 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/fold-rlwinm-1.ll @@ -0,0 +1,45 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names < %s \ +; RUN: -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s + +@res = dso_local local_unnamed_addr global i32 0, align 4 +@res2 = dso_local local_unnamed_addr global i32 0, align 4 + +define void @foo(i32 signext %var1) { +; CHECK-LABEL: foo: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: xori r3, r3, 1 +; CHECK-NEXT: addis r4, r2, res@toc@ha +; CHECK-NEXT: cntlzw r3, r3 +; CHECK-NEXT: srwi r3, r3, 5 +; CHECK-NEXT: slwi r3, r3, 19 +; CHECK-NEXT: stw r3, res@toc@l(r4) +; CHECK-NEXT: blr +entry: + %cmp = icmp eq i32 %var1, 1 + %conv = zext i1 %cmp to i32 + %shl = shl nuw nsw i32 %conv, 19 + store i32 %shl, i32* @res, align 4 + ret void +} + +define void @foo_multiple_use(i32 signext %var1) { +; CHECK-LABEL: foo_multiple_use: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: xori r3, r3, 1 +; CHECK-NEXT: addis r4, r2, res2@toc@ha +; CHECK-NEXT: addis r6, r2, res@toc@ha +; CHECK-NEXT: cntlzw r3, r3 +; CHECK-NEXT: srwi r3, r3, 5 +; CHECK-NEXT: slwi r5, r3, 19 +; CHECK-NEXT: stw r3, res2@toc@l(r4) +; CHECK-NEXT: stw r5, res@toc@l(r6) +; CHECK-NEXT: blr +entry: + %cmp = icmp eq i32 %var1, 1 + %conv = zext i1 %cmp to i32 + store i32 %conv, i32* @res2, align 4 + %shl = shl nuw nsw i32 %conv, 19 + store i32 %shl, i32* @res, align 4 + ret void +} |
