[llvm] 6c0e043 - [X86] Add test for smin(x, 0) & smax(x, 0)

[Wei Xiao via llvm-commits]

Author: Wei Xiao
Date: 2022-04-06T18:01:08+08:00
New Revision: 6c0e04386657116d20b42969787b2a75095cf303

URL: https://github.com/llvm/llvm-project/commit/6c0e04386657116d20b42969787b2a75095cf303
DIFF: https://github.com/llvm/llvm-project/commit/6c0e04386657116d20b42969787b2a75095cf303.diff

LOG: [X86] Add test for smin(x, 0) & smax(x, 0)

Added: 
    llvm/test/CodeGen/X86/select-smin-smax.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/select-smin-smax.ll b/llvm/test/CodeGen/X86/select-smin-smax.ll
new file mode 100644
index 0000000000000..8450dd0199af0
--- /dev/null
+++ b/llvm/test/CodeGen/X86/select-smin-smax.ll
@@ -0,0 +1,51 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi < %s | FileCheck %s
+
+declare i32 @llvm.smax.i32(i32, i32)
+declare i32 @llvm.smin.i32(i32, i32)
+declare i64 @llvm.smax.i64(i64, i64)
+declare i64 @llvm.smin.i64(i64, i64)
+
+define i32 @test_i32_smax(i32 %a) nounwind {
+; CHECK-LABEL: test_i32_smax:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:    testl %edi, %edi
+; CHECK-NEXT:    cmovgl %edi, %eax
+; CHECK-NEXT:    retq
+  %r = call i32 @llvm.smax.i32(i32 %a, i32 0)
+  ret i32 %r
+}
+
+define i32 @test_i32_smin(i32 %a) nounwind {
+; CHECK-LABEL: test_i32_smin:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:    testl %edi, %edi
+; CHECK-NEXT:    cmovsl %edi, %eax
+; CHECK-NEXT:    retq
+  %r = call i32 @llvm.smin.i32(i32 %a, i32 0)
+  ret i32 %r
+}
+
+define i64 @test_i64_smax(i64 %a) nounwind {
+; CHECK-LABEL: test_i64_smax:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:    testq %rdi, %rdi
+; CHECK-NEXT:    cmovgq %rdi, %rax
+; CHECK-NEXT:    retq
+  %r = call i64 @llvm.smax.i64(i64 %a, i64 0)
+  ret i64 %r
+}
+
+define i64 @test_i64_smin(i64 %a) nounwind {
+; CHECK-LABEL: test_i64_smin:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:    testq %rdi, %rdi
+; CHECK-NEXT:    cmovsq %rdi, %rax
+; CHECK-NEXT:    retq
+  %r = call i64 @llvm.smin.i64(i64 %a, i64 0)
+  ret i64 %r
+}