; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 ; RUN: llc -mtriple=armv7-eabi -mattr=-fpregs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-ARM ; RUN: llc -mtriple=armv7-eabi -mattr=+vfp2 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-VFP ; RUN: llc -mtriple=thumbv7-apple-darwin -mattr=+neon,+thumb2 %s -o - | FileCheck %s --check-prefix=CHECK-NEON define i32 @f1(i32 %a.s) { ; CHECK-LABEL: f1: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: mov r1, #3 ; CHECK-NEXT: cmp r0, #4 ; CHECK-NEXT: movweq r1, #2 ; CHECK-NEXT: mov r0, r1 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f1: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r1, #3 ; CHECK-NEON-NEXT: cmp r0, #4 ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: moveq r1, #2 ; CHECK-NEON-NEXT: mov r0, r1 ; CHECK-NEON-NEXT: bx lr 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: @ %bb.0: @ %entry ; CHECK-NEXT: mov r1, #3 ; CHECK-NEXT: cmp r0, #4 ; CHECK-NEXT: movwgt r1, #2 ; CHECK-NEXT: mov r0, r1 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f2: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r1, #3 ; CHECK-NEON-NEXT: cmp r0, #4 ; CHECK-NEON-NEXT: it gt ; CHECK-NEON-NEXT: movgt r1, #2 ; CHECK-NEON-NEXT: mov r0, r1 ; CHECK-NEON-NEXT: bx lr 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: @ %bb.0: @ %entry ; CHECK-NEXT: mov r2, #3 ; CHECK-NEXT: cmp r0, r1 ; CHECK-NEXT: movwlt r2, #2 ; CHECK-NEXT: mov r0, r2 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f3: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r2, #3 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it lt ; CHECK-NEON-NEXT: movlt r2, #2 ; CHECK-NEON-NEXT: mov r0, r2 ; CHECK-NEON-NEXT: bx lr 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: @ %bb.0: @ %entry ; CHECK-NEXT: mov r2, #3 ; CHECK-NEXT: cmp r0, r1 ; CHECK-NEXT: movwle r2, #2 ; CHECK-NEXT: mov r0, r2 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f4: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r2, #3 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it le ; CHECK-NEON-NEXT: movle r2, #2 ; CHECK-NEON-NEXT: mov r0, r2 ; CHECK-NEON-NEXT: bx lr 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: @ %bb.0: @ %entry ; CHECK-NEXT: mov r2, #3 ; CHECK-NEXT: cmp r0, r1 ; CHECK-NEXT: movwls r2, #2 ; CHECK-NEXT: mov r0, r2 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f5: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r2, #3 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it ls ; CHECK-NEON-NEXT: movls r2, #2 ; CHECK-NEON-NEXT: mov r0, r2 ; CHECK-NEON-NEXT: bx lr 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: @ %bb.0: @ %entry ; CHECK-NEXT: mov r2, #3 ; CHECK-NEXT: cmp r0, r1 ; CHECK-NEXT: movwhi r2, #2 ; CHECK-NEXT: mov r0, r2 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: f6: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: movs r2, #3 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it hi ; CHECK-NEON-NEXT: movhi r2, #2 ; CHECK-NEON-NEXT: mov r0, r2 ; CHECK-NEON-NEXT: bx lr 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-ARM-LABEL: f7: ; CHECK-ARM: @ %bb.0: ; CHECK-ARM-NEXT: .save {r4, r5, r11, lr} ; CHECK-ARM-NEXT: push {r4, r5, r11, lr} ; CHECK-ARM-NEXT: mov r4, r3 ; CHECK-ARM-NEXT: movw r3, #48758 ; CHECK-ARM-NEXT: mov r5, r2 ; CHECK-ARM-NEXT: movw r2, #14680 ; CHECK-ARM-NEXT: movt r2, #51380 ; CHECK-ARM-NEXT: movt r3, #16371 ; CHECK-ARM-NEXT: bl __aeabi_dcmplt ; CHECK-ARM-NEXT: cmp r0, #0 ; CHECK-ARM-NEXT: movwne r4, #0 ; CHECK-ARM-NEXT: movwne r5, #0 ; CHECK-ARM-NEXT: movtne r4, #49136 ; CHECK-ARM-NEXT: mov r0, r5 ; CHECK-ARM-NEXT: mov r1, r4 ; CHECK-ARM-NEXT: pop {r4, r5, r11, pc} ; ; CHECK-VFP-LABEL: f7: ; CHECK-VFP: @ %bb.0: ; CHECK-VFP-NEXT: vldr d17, .LCPI6_0 ; CHECK-VFP-NEXT: vmov d18, r0, r1 ; CHECK-VFP-NEXT: vmov.f64 d16, #-1.000000e+00 ; CHECK-VFP-NEXT: vcmp.f64 d18, d17 ; CHECK-VFP-NEXT: vmrs APSR_nzcv, fpscr ; CHECK-VFP-NEXT: vmov d19, r2, r3 ; CHECK-VFP-NEXT: vmovmi.f64 d19, d16 ; CHECK-VFP-NEXT: vmov r0, r1, d19 ; CHECK-VFP-NEXT: bx lr ; CHECK-VFP-NEXT: .p2align 3 ; CHECK-VFP-NEXT: @ %bb.1: ; CHECK-VFP-NEXT: .LCPI6_0: ; CHECK-VFP-NEXT: .long 3367254360 @ double 1.234 ; CHECK-VFP-NEXT: .long 1072938614 ; ; CHECK-NEON-LABEL: f7: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: vldr d17, LCPI6_0 ; CHECK-NEON-NEXT: vmov d18, r0, r1 ; CHECK-NEON-NEXT: vmov d19, r2, r3 ; CHECK-NEON-NEXT: vcmp.f64 d18, d17 ; CHECK-NEON-NEXT: vmov.f64 d16, #-1.000000e+00 ; CHECK-NEON-NEXT: vmrs APSR_nzcv, fpscr ; CHECK-NEON-NEXT: it mi ; CHECK-NEON-NEXT: vmovmi.f64 d19, d16 ; CHECK-NEON-NEXT: vmov r0, r1, d19 ; CHECK-NEON-NEXT: bx lr ; CHECK-NEON-NEXT: .p2align 3 ; CHECK-NEON-NEXT: @ %bb.1: ; CHECK-NEON-NEXT: .data_region ; CHECK-NEON-NEXT: LCPI6_0: ; CHECK-NEON-NEXT: .long 3367254360 @ double 1.234 ; CHECK-NEON-NEXT: .long 1072938614 ; CHECK-NEON-NEXT: .end_data_region %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. define arm_apcscc float @f8(i32 %a) nounwind { ; CHECK-ARM-LABEL: f8: ; CHECK-ARM: @ %bb.0: ; CHECK-ARM-NEXT: movw r1, #29905 ; CHECK-ARM-NEXT: movw r2, #1123 ; CHECK-ARM-NEXT: movt r1, #16408 ; CHECK-ARM-NEXT: cmp r0, r2 ; CHECK-ARM-NEXT: movweq r1, #62390 ; CHECK-ARM-NEXT: movteq r1, #16285 ; CHECK-ARM-NEXT: mov r0, r1 ; CHECK-ARM-NEXT: bx lr ; ; CHECK-VFP-LABEL: f8: ; CHECK-VFP: @ %bb.0: ; CHECK-VFP-NEXT: movw r2, #1123 ; CHECK-VFP-NEXT: adr r1, .LCPI7_0 ; CHECK-VFP-NEXT: cmp r0, r2 ; CHECK-VFP-NEXT: addeq r1, r1, #4 ; CHECK-VFP-NEXT: ldr r0, [r1] ; CHECK-VFP-NEXT: bx lr ; CHECK-VFP-NEXT: .p2align 2 ; CHECK-VFP-NEXT: @ %bb.1: ; CHECK-VFP-NEXT: .LCPI7_0: ; CHECK-VFP-NEXT: .long 0x401874d1 @ float 2.38212991 ; CHECK-VFP-NEXT: .long 0x3f9df3b6 @ float 1.23399997 ; ; CHECK-NEON-LABEL: f8: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: adr r1, LCPI7_0 ; CHECK-NEON-NEXT: movw r2, #1123 ; CHECK-NEON-NEXT: cmp r0, r2 ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: addeq r1, #4 ; CHECK-NEON-NEXT: ldr r0, [r1] ; CHECK-NEON-NEXT: bx lr ; CHECK-NEON-NEXT: .p2align 2 ; CHECK-NEON-NEXT: @ %bb.1: ; CHECK-NEON-NEXT: .data_region ; CHECK-NEON-NEXT: LCPI7_0: ; CHECK-NEON-NEXT: .long 0x401874d1 @ float 2.38212991 ; CHECK-NEON-NEXT: .long 0x3f9df3b6 @ float 1.23399997 ; CHECK-NEON-NEXT: .end_data_region %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. declare ptr @objc_msgSend(ptr, ptr, ...) define void @f9() optsize { ; CHECK-LABEL: f9: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: .pad #8 ; CHECK-NEXT: sub sp, sp, #8 ; CHECK-NEXT: movw r2, #0 ; CHECK-NEXT: movw r3, #0 ; CHECK-NEXT: mov r1, #1065353216 ; CHECK-NEXT: mov r0, #0 ; CHECK-NEXT: movt r2, #16672 ; CHECK-NEXT: movt r3, #32704 ; CHECK-NEXT: strd r0, r1, [sp] ; CHECK-NEXT: bl objc_msgSend ; CHECK-NEXT: add sp, sp, #8 ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-NEON-LABEL: f9: ; CHECK-NEON: @ %bb.0: @ %entry ; CHECK-NEON-NEXT: str lr, [sp, #-4]! ; CHECK-NEON-NEXT: sub sp, #8 ; CHECK-NEON-NEXT: movs r2, #0 ; CHECK-NEON-NEXT: movs r3, #0 ; CHECK-NEON-NEXT: mov.w r0, #1065353216 ; CHECK-NEON-NEXT: movs r1, #0 ; CHECK-NEON-NEXT: movt r2, #16672 ; CHECK-NEON-NEXT: movt r3, #32704 ; CHECK-NEON-NEXT: strd r1, r0, [sp] ; CHECK-NEON-NEXT: bl _objc_msgSend ; CHECK-NEON-NEXT: add sp, #8 ; CHECK-NEON-NEXT: ldr lr, [sp], #4 ; CHECK-NEON-NEXT: bx lr entry: %cmp = icmp eq ptr undef, inttoptr (i32 4 to ptr) %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 @objc_msgSend(ptr undef, ptr undef, [2 x i32] %tmp493, i32 0, float 1.000000e+00) optsize ret void } define float @f10(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-ARM-LABEL: f10: ; CHECK-ARM: @ %bb.0: ; CHECK-ARM-NEXT: mov r2, #0 ; CHECK-ARM-NEXT: cmp r0, r1 ; CHECK-ARM-NEXT: moveq r2, #1065353216 ; CHECK-ARM-NEXT: mov r0, r2 ; CHECK-ARM-NEXT: bx lr ; ; CHECK-VFP-LABEL: f10: ; CHECK-VFP: @ %bb.0: ; CHECK-VFP-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-VFP-NEXT: vldr s2, .LCPI9_0 ; CHECK-VFP-NEXT: cmp r0, r1 ; CHECK-VFP-NEXT: vmoveq.f32 s2, s0 ; CHECK-VFP-NEXT: vmov r0, s2 ; CHECK-VFP-NEXT: bx lr ; CHECK-VFP-NEXT: .p2align 2 ; CHECK-VFP-NEXT: @ %bb.1: ; CHECK-VFP-NEXT: .LCPI9_0: ; CHECK-VFP-NEXT: .long 0x00000000 @ float 0 ; ; CHECK-NEON-LABEL: f10: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: vldr s2, LCPI9_0 ; CHECK-NEON-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: vmoveq.f32 s2, s0 ; CHECK-NEON-NEXT: vmov r0, s2 ; CHECK-NEON-NEXT: bx lr ; CHECK-NEON-NEXT: .p2align 2 ; CHECK-NEON-NEXT: @ %bb.1: ; CHECK-NEON-NEXT: .data_region ; CHECK-NEON-NEXT: LCPI9_0: ; CHECK-NEON-NEXT: .long 0x00000000 @ float 0 ; CHECK-NEON-NEXT: .end_data_region %1 = icmp eq i32 %a, %b %2 = zext i1 %1 to i32 %3 = sitofp i32 %2 to float ret float %3 } define float @f11(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-ARM-LABEL: f11: ; CHECK-ARM: @ %bb.0: ; CHECK-ARM-NEXT: mov r2, #0 ; CHECK-ARM-NEXT: cmp r0, r1 ; CHECK-ARM-NEXT: movweq r2, #0 ; CHECK-ARM-NEXT: movteq r2, #49024 ; CHECK-ARM-NEXT: mov r0, r2 ; CHECK-ARM-NEXT: bx lr ; ; CHECK-VFP-LABEL: f11: ; CHECK-VFP: @ %bb.0: ; CHECK-VFP-NEXT: vmov.f32 s0, #-1.000000e+00 ; CHECK-VFP-NEXT: vldr s2, .LCPI10_0 ; CHECK-VFP-NEXT: cmp r0, r1 ; CHECK-VFP-NEXT: vmoveq.f32 s2, s0 ; CHECK-VFP-NEXT: vmov r0, s2 ; CHECK-VFP-NEXT: bx lr ; CHECK-VFP-NEXT: .p2align 2 ; CHECK-VFP-NEXT: @ %bb.1: ; CHECK-VFP-NEXT: .LCPI10_0: ; CHECK-VFP-NEXT: .long 0x00000000 @ float 0 ; ; CHECK-NEON-LABEL: f11: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: vldr s2, LCPI10_0 ; CHECK-NEON-NEXT: vmov.f32 s0, #-1.000000e+00 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: vmoveq.f32 s2, s0 ; CHECK-NEON-NEXT: vmov r0, s2 ; CHECK-NEON-NEXT: bx lr ; CHECK-NEON-NEXT: .p2align 2 ; CHECK-NEON-NEXT: @ %bb.1: ; CHECK-NEON-NEXT: .data_region ; CHECK-NEON-NEXT: LCPI10_0: ; CHECK-NEON-NEXT: .long 0x00000000 @ float 0 ; CHECK-NEON-NEXT: .end_data_region %1 = icmp eq i32 %a, %b %2 = sitofp i1 %1 to float ret float %2 } define float @f12(i32 %a, i32 %b) nounwind uwtable readnone ssp { ; CHECK-ARM-LABEL: f12: ; CHECK-ARM: @ %bb.0: ; CHECK-ARM-NEXT: mov r2, #0 ; CHECK-ARM-NEXT: cmp r0, r1 ; CHECK-ARM-NEXT: moveq r2, #1065353216 ; CHECK-ARM-NEXT: mov r0, r2 ; CHECK-ARM-NEXT: bx lr ; ; CHECK-VFP-LABEL: f12: ; CHECK-VFP: @ %bb.0: ; CHECK-VFP-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-VFP-NEXT: vldr s2, .LCPI11_0 ; CHECK-VFP-NEXT: cmp r0, r1 ; CHECK-VFP-NEXT: vmoveq.f32 s2, s0 ; CHECK-VFP-NEXT: vmov r0, s2 ; CHECK-VFP-NEXT: bx lr ; CHECK-VFP-NEXT: .p2align 2 ; CHECK-VFP-NEXT: @ %bb.1: ; CHECK-VFP-NEXT: .LCPI11_0: ; CHECK-VFP-NEXT: .long 0x00000000 @ float 0 ; ; CHECK-NEON-LABEL: f12: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: vldr s2, LCPI11_0 ; CHECK-NEON-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-NEON-NEXT: cmp r0, r1 ; CHECK-NEON-NEXT: it eq ; CHECK-NEON-NEXT: vmoveq.f32 s2, s0 ; CHECK-NEON-NEXT: vmov r0, s2 ; CHECK-NEON-NEXT: bx lr ; CHECK-NEON-NEXT: .p2align 2 ; CHECK-NEON-NEXT: @ %bb.1: ; CHECK-NEON-NEXT: .data_region ; CHECK-NEON-NEXT: LCPI11_0: ; CHECK-NEON-NEXT: .long 0x00000000 @ float 0 ; CHECK-NEON-NEXT: .end_data_region %1 = icmp eq i32 %a, %b %2 = uitofp i1 %1 to float ret float %2 } define i1 @test_overflow_recombine(i32 %in1, i32 %in2) { ; CHECK-LABEL: test_overflow_recombine: ; CHECK: @ %bb.0: ; CHECK-NEXT: mul r2, r0, r1 ; CHECK-NEXT: smmul r0, r0, r1 ; CHECK-NEXT: subs r0, r0, r2, asr #31 ; CHECK-NEXT: movwne r0, #1 ; CHECK-NEXT: bx lr ; ; CHECK-NEON-LABEL: test_overflow_recombine: ; CHECK-NEON: @ %bb.0: ; CHECK-NEON-NEXT: mul r2, r0, r1 ; CHECK-NEON-NEXT: smmul r0, r0, r1 ; CHECK-NEON-NEXT: subs.w r0, r0, r2, asr #31 ; CHECK-NEON-NEXT: it ne ; CHECK-NEON-NEXT: movne r0, #1 ; CHECK-NEON-NEXT: bx lr %prod = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %in1, i32 %in2) %overflow = extractvalue { i32, i1 } %prod, 1 ret i1 %overflow } declare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32)