| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding | FileCheck %s |
| |
| ; CHECK-LABEL: test1 |
| ; CHECK: vucomisd {{.*}}encoding: [0x62 |
| define double @test1(double %a, double %b) nounwind { |
| %tobool = fcmp une double %a, %b |
| br i1 %tobool, label %l1, label %l2 |
| |
| l1: |
| %c = fsub double %a, %b |
| ret double %c |
| l2: |
| %c1 = fadd double %a, %b |
| ret double %c1 |
| } |
| |
| ; CHECK-LABEL: test2 |
| ; CHECK: vucomiss {{.*}}encoding: [0x62 |
| define float @test2(float %a, float %b) nounwind { |
| %tobool = fcmp olt float %a, %b |
| br i1 %tobool, label %l1, label %l2 |
| |
| l1: |
| %c = fsub float %a, %b |
| ret float %c |
| l2: |
| %c1 = fadd float %a, %b |
| ret float %c1 |
| } |
| |
| ; CHECK-LABEL: test3 |
| ; CHECK: vcmpeqss |
| ; CHECK: kmov |
| ; CHECK: ret |
| 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 |
| } |