| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s |
| |
| ; The and in the test below discards half the bits from vector icmp result. |
| ; We use a testb after a pmovmskb to examine only 8 bits. |
| |
| define i32 @foo(<4 x float> %arg) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: # %bb |
| ; CHECK-NEXT: movaps {{.*#+}} xmm1 = [1.00000005E-3,1.00000005E-3,1.00000005E-3,1.00000005E-3] |
| ; CHECK-NEXT: cmpltps %xmm0, %xmm1 |
| ; CHECK-NEXT: pmovmskb %xmm1, %ecx |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: testb %cl, %cl |
| ; CHECK-NEXT: sete %al |
| ; CHECK-NEXT: retq |
| bb: |
| %tmp = fcmp ogt <4 x float> %arg, <float 0x3F50624DE0000000, float 0x3F50624DE0000000, float 0x3F50624DE0000000, float 0x3F50624DE0000000> |
| %tmp1 = sext <4 x i1> %tmp to <4 x i32> |
| %tmp2 = bitcast <4 x i32> %tmp1 to <16 x i8> |
| %tmp3 = icmp slt <16 x i8> %tmp2, zeroinitializer |
| %tmp4 = bitcast <16 x i1> %tmp3 to i16 |
| %tmp5 = and i16 %tmp4, 255 |
| %tmp6 = icmp eq i16 %tmp5, 0 |
| %tmp7 = zext i1 %tmp6 to i32 |
| ret i32 %tmp7 |
| } |
