CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / avx512-cmp.ll

diff --git a/test/CodeGen/X86/avx512-cmp.ll b/test/CodeGen/X86/avx512-cmp.ll
index d5ec2e777ce088b2ee502134fce823d7fea6edb9..6e0d18558c5165f4e1ad0b521ba798ddf0d28ce8 100644 (file)
--- a/test/CodeGen/X86/avx512-cmp.ll
+++ b/test/CodeGen/X86/avx512-cmp.ll
@@ -28,13 +28,74 @@ l2:
   ret float %c1
 }
 
+; FIXME: Can use vcmpeqss and extract from the mask here in AVX512.
 ; CHECK-LABEL: test3
-; CHECK: vcmpeqss
-; CHECK: kmov
-; CHECK: ret
+; CHECK: vucomiss {{.*}}encoding: [0x62
 define i32 @test3(float %a, float %b) {
 
   %cmp10.i = fcmp oeq float %a, %b
   %conv11.i = zext i1 %cmp10.i to i32
   ret i32 %conv11.i
 }
+
+; CHECK-LABEL: test5
+; CHECK: ret
+define float @test5(float %p) #0 {
+entry:
+  %cmp = fcmp oeq float %p, 0.000000e+00
+  br i1 %cmp, label %return, label %if.end
+
+if.end:                                           ; preds = %entry
+  %cmp1 = fcmp ogt float %p, 0.000000e+00
+  %cond = select i1 %cmp1, float 1.000000e+00, float -1.000000e+00
+  br label %return
+
+return:                                           ; preds = %if.end, %entry
+  %retval.0 = phi float [ %cond, %if.end ], [ %p, %entry ]
+  ret float %retval.0
+}
+
+; CHECK-LABEL: test6
+; CHECK: cmpl
+; CHECK-NOT: kmov
+; CHECK: ret
+define i32 @test6(i32 %a, i32 %b) {
+  %cmp = icmp eq i32 %a, %b
+  %res = zext i1 %cmp to i32
+  ret i32 %res
+}
+
+; CHECK-LABEL: test7
+; CHECK: vucomisd
+; CHECK-NOT: kmov
+; CHECK: ret
+define i32 @test7(double %x, double %y) #2 {
+entry:
+  %0 = fcmp one double %x, %y
+  %or = zext i1 %0 to i32
+  ret i32 %or
+}
+
+define i32 @test8(i32 %a1, i32 %a2, i32 %a3) {
+  %tmp1 = icmp eq i32 %a1, -1
+  %tmp2 = icmp eq i32 %a2, -2147483648
+  %tmp3 = and i1 %tmp1, %tmp2
+  %tmp4 = icmp eq i32 %a3, 0
+  %tmp5 = or i1 %tmp3, %tmp4
+  %res = select i1 %tmp5, i32 1, i32 %a3
+  ret i32 %res
+}
+
+; CHECK-LABEL: test9
+; CHECK: testb
+; CHECK-NOT: kmov
+; CHECK: ret
+define i32 @test9(i64 %a) {
+ %b = and i64 %a, 1
+ %cmp10.i = icmp eq i64 %b, 0
+ br i1 %cmp10.i, label %A, label %B
+A:
+ ret i32 6
+B:
+ ret i32 7
+}