1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding | FileCheck %s 2 3 ; CHECK-LABEL: test1 4 ; CHECK: vucomisd {{.*}}encoding: [0x62 5 define double @test1(double %a, double %b) nounwind { 6 %tobool = fcmp une double %a, %b 7 br i1 %tobool, label %l1, label %l2 8 9 l1: 10 %c = fsub double %a, %b 11 ret double %c 12 l2: 13 %c1 = fadd double %a, %b 14 ret double %c1 15 } 16 17 ; CHECK-LABEL: test2 18 ; CHECK: vucomiss {{.*}}encoding: [0x62 19 define float @test2(float %a, float %b) nounwind { 20 %tobool = fcmp olt float %a, %b 21 br i1 %tobool, label %l1, label %l2 22 23 l1: 24 %c = fsub float %a, %b 25 ret float %c 26 l2: 27 %c1 = fadd float %a, %b 28 ret float %c1 29 } 30 31 ; CHECK-LABEL: test3 32 ; CHECK: vcmpeqss 33 ; CHECK: kmov 34 ; CHECK: ret 35 define i32 @test3(float %a, float %b) { 36 37 %cmp10.i = fcmp oeq float %a, %b 38 %conv11.i = zext i1 %cmp10.i to i32 39 ret i32 %conv11.i 40 } 41 42 ; CHECK-LABEL: test5 43 ; CHECK: ret 44 define float @test5(float %p) #0 { 45 entry: 46 %cmp = fcmp oeq float %p, 0.000000e+00 47 br i1 %cmp, label %return, label %if.end 48 49 if.end: ; preds = %entry 50 %cmp1 = fcmp ogt float %p, 0.000000e+00 51 %cond = select i1 %cmp1, float 1.000000e+00, float -1.000000e+00 52 br label %return 53 54 return: ; preds = %if.end, %entry 55 %retval.0 = phi float [ %cond, %if.end ], [ %p, %entry ] 56 ret float %retval.0 57 } 58 59 ; CHECK-LABEL: test6 60 ; CHECK: cmpl 61 ; CHECK-NOT: kmov 62 ; CHECK: ret 63 define i32 @test6(i32 %a, i32 %b) { 64 %cmp = icmp eq i32 %a, %b 65 %res = zext i1 %cmp to i32 66 ret i32 %res 67 } 68 69 ; CHECK-LABEL: test7 70 ; CHECK: vucomisd 71 ; CHECK-NOT: kmov 72 ; CHECK: ret 73 define i32 @test7(double %x, double %y) #2 { 74 entry: 75 %0 = fcmp one double %x, %y 76 %or = zext i1 %0 to i32 77 ret i32 %or 78 } 79 80 define i32 @test8(i32 %a1, i32 %a2, i32 %a3) { 81 %tmp1 = icmp eq i32 %a1, -1 82 %tmp2 = icmp eq i32 %a2, -2147483648 83 %tmp3 = and i1 %tmp1, %tmp2 84 %tmp4 = icmp eq i32 %a3, 0 85 %tmp5 = or i1 %tmp3, %tmp4 86 %res = select i1 %tmp5, i32 1, i32 %a3 87 ret i32 %res 88 } 89
