; RUN: llc -mtriple=arm-apple-darwin %s -o - | FileCheck %s ; RUN: llc -mtriple=arm-eabi -mattr=+vfp2 %s -o - \ ; RUN: | FileCheck %s --check-prefix=CHECK-VFP ; RUN: llc -mtriple=thumbv7-apple-darwin -mattr=+neon,+thumb2 %s -o - \ ; RUN: | FileCheck %s --check-prefix=CHECK-NEON define i32 @f1(i32 %a.s) { ;CHECK-LABEL: f1: ;CHECK: moveq entry: %tmp = icmp eq i32 %a.s, 4 %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define i32 @f2(i32 %a.s) { ;CHECK-LABEL: f2: ;CHECK: movgt entry: %tmp = icmp sgt i32 %a.s, 4 %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define i32 @f3(i32 %a.s, i32 %b.s) { ;CHECK-LABEL: f3: ;CHECK: movlt entry: %tmp = icmp slt i32 %a.s, %b.s %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define i32 @f4(i32 %a.s, i32 %b.s) { ;CHECK-LABEL: f4: ;CHECK: movle entry: %tmp = icmp sle i32 %a.s, %b.s %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define i32 @f5(i32 %a.u, i32 %b.u) { ;CHECK-LABEL: f5: ;CHECK: movls entry: %tmp = icmp ule i32 %a.u, %b.u %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define i32 @f6(i32 %a.u, i32 %b.u) { ;CHECK-LABEL: f6: ;CHECK: movhi entry: %tmp = icmp ugt i32 %a.u, %b.u %tmp1.s = select i1 %tmp, i32 2, i32 3 ret i32 %tmp1.s } define double @f7(double %a, double %b) { ;CHECK-LABEL: f7: ;CHECK: movlt ;CHECK: movge ;CHECK-VFP-LABEL: f7: ;CHECK-VFP: vmovmi %tmp = fcmp olt double %a, 1.234e+00 %tmp1 = select i1 %tmp, double -1.000e+00, double %b ret double %tmp1 } ; ; ; We used to generate really horrible code for this function. The main cause was ; a lack of a custom lowering routine for an ISD::SELECT. This would result in ; two "it" blocks in the code: one for the "icmp" and another to move the index ; into the constant pool based on the value of the "icmp". If we have one "it" ; block generated, odds are good that we have close to the ideal code for this: ; ; CHECK-NEON-LABEL: f8: ; CHECK-NEON: movw [[R3:r[0-9]+]], #1123 ; CHECK-NEON: adr [[R2:r[0-9]+]], LCPI7_0 ; CHECK-NEON-NEXT: cmp r0, [[R3]] ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: addeq{{.*}} [[R2]], #4 ; CHECK-NEON-NEXT: ldr ; CHECK-NEON: bx define arm_apcscc float @f8(i32 %a) nounwind { %tmp = icmp eq i32 %a, 1123 %tmp1 = select i1 %tmp, float 0x3FF3BE76C0000000, float 0x40030E9A20000000 ret float %tmp1 } ; ; Glue values can only have a single use, but the following test exposed a ; case where a SELECT was lowered with 2 uses of a comparison, causing the ; scheduler to assert. ; CHECK-VFP-LABEL: f9: declare i8* @objc_msgSend(i8*, i8*, ...) define void @f9() optsize { entry: %cmp = icmp eq i8* undef, inttoptr (i32 4 to i8*) %conv191 = select i1 %cmp, float -3.000000e+00, float 0.000000e+00 %conv195 = select i1 %cmp, double -1.000000e+00, double 0.000000e+00 %add = fadd double %conv195, 1.100000e+01 %conv196 = fptrunc double %add to float %add201 = fadd float undef, %conv191 %tmp484 = bitcast float %conv196 to i32 %tmp478 = bitcast float %add201 to i32 %tmp490 = insertvalue [2 x i32] undef, i32 %tmp484, 0 %tmp493 = insertvalue [2 x i32] %tmp490, i32 %tmp478, 1 call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, [2 x i32], i32, float)*)(i8* undef, i8* undef, [2 x i32] %tmp493, i32 0, float 1.000000e+00) optsize ret void } ; CHECK-LABEL: f10: define float @f10(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-NOT: floatsisf %1 = icmp eq i32 %a, %b %2 = zext i1 %1 to i32 %3 = sitofp i32 %2 to float ret float %3 } ; CHECK-LABEL: f11: define float @f11(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-NOT: floatsisf %1 = icmp eq i32 %a, %b %2 = sitofp i1 %1 to float ret float %2 } ; CHECK-LABEL: f12: define float @f12(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-NOT: floatunsisf %1 = icmp eq i32 %a, %b %2 = uitofp i1 %1 to float ret float %2 }