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; 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
}
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