[llvm] 67043ed - [AArch64] add vector test for merged condition branching; NFC

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 26 11:22:37 PDT 2020


Author: Sanjay Patel
Date: 2020-06-26T14:22:11-04:00
New Revision: 67043ed8853569d25ad4f38c4626522b4958c914

URL: https://github.com/llvm/llvm-project/commit/67043ed8853569d25ad4f38c4626522b4958c914
DIFF: https://github.com/llvm/llvm-project/commit/67043ed8853569d25ad4f38c4626522b4958c914.diff

LOG: [AArch64] add vector test for merged condition branching; NFC

Added: 
    llvm/test/CodeGen/AArch64/vec-extract-branch.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/AArch64/vec-extract-branch.ll b/llvm/test/CodeGen/AArch64/vec-extract-branch.ll
new file mode 100644
index 000000000000..22f6c86a07fb
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/vec-extract-branch.ll
@@ -0,0 +1,31 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs | FileCheck %s
+
+define i32 @vec_extract_branch(<2 x double> %x, i32 %y)  {
+; CHECK-LABEL: vec_extract_branch:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    fcmgt v0.2d, v0.2d, #0.0
+; CHECK-NEXT:    xtn v0.2s, v0.2d
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    tbz w8, #0, .LBB0_3
+; CHECK-NEXT:  // %bb.1:
+; CHECK-NEXT:    mov w8, v0.s[1]
+; CHECK-NEXT:    tbz w8, #0, .LBB0_3
+; CHECK-NEXT:  // %bb.2: // %true
+; CHECK-NEXT:    mov w8, #42
+; CHECK-NEXT:    sdiv w0, w8, w0
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB0_3: // %false
+; CHECK-NEXT:    mov w0, #88
+; CHECK-NEXT:    ret
+  %t1 = fcmp ogt <2 x double> %x, zeroinitializer
+  %t2 = extractelement <2 x i1> %t1, i32 0
+  %t3 = extractelement <2 x i1> %t1, i32 1
+  %t4 = and i1 %t2, %t3
+  br i1 %t4, label %true, label %false
+true:
+  %y1 = sdiv i32 42, %y
+  ret i32 %y1
+false:
+  ret i32 88
+}


        


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