| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=armv7-unknown-linux < %s -verify-machineinstrs | FileCheck --check-prefix=CHECK-ARM %s |
| ; RUN: llc -mtriple=thumb-eabi < %s -verify-machineinstrs | FileCheck --check-prefix=CHECK-THUMB1-NOMOV %s |
| ; RUN: llc -mtriple=thumbv6-unknown-linux < %s -verify-machineinstrs | FileCheck --check-prefix=CHECK-THUMB1 %s |
| ; RUN: llc -mtriple=thumbv7-unknown-linux < %s -verify-machineinstrs | FileCheck --check-prefix=CHECK-THUMB2 %s |
| |
| define i32 @test_slt1(i64 %a, i64 %b) { |
| ; CHECK-ARM-LABEL: test_slt1: |
| ; CHECK-ARM: @ %bb.0: @ %entry |
| ; CHECK-ARM-NEXT: subs r0, r0, r2 |
| ; CHECK-ARM-NEXT: mov r12, #2 |
| ; CHECK-ARM-NEXT: sbcs r0, r1, r3 |
| ; CHECK-ARM-NEXT: movwlt r12, #1 |
| ; CHECK-ARM-NEXT: mov r0, r12 |
| ; CHECK-ARM-NEXT: bx lr |
| ; |
| ; CHECK-THUMB1-NOMOV-LABEL: test_slt1: |
| ; CHECK-THUMB1-NOMOV: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB1-NOMOV-NEXT: sbcs r1, r3 |
| ; CHECK-THUMB1-NOMOV-NEXT: bge .LBB0_2 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r0, #1 |
| ; CHECK-THUMB1-NOMOV-NEXT: bx lr |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB0_2: @ %bb2 |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r0, #2 |
| ; CHECK-THUMB1-NOMOV-NEXT: bx lr |
| ; |
| ; CHECK-THUMB1-LABEL: test_slt1: |
| ; CHECK-THUMB1: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB1-NEXT: sbcs r1, r3 |
| ; CHECK-THUMB1-NEXT: bge .LBB0_2 |
| ; CHECK-THUMB1-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-THUMB1-NEXT: movs r0, #1 |
| ; CHECK-THUMB1-NEXT: bx lr |
| ; CHECK-THUMB1-NEXT: .LBB0_2: @ %bb2 |
| ; CHECK-THUMB1-NEXT: movs r0, #2 |
| ; CHECK-THUMB1-NEXT: bx lr |
| ; |
| ; CHECK-THUMB2-LABEL: test_slt1: |
| ; CHECK-THUMB2: @ %bb.0: @ %entry |
| ; CHECK-THUMB2-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB2-NEXT: mov.w r12, #2 |
| ; CHECK-THUMB2-NEXT: sbcs.w r0, r1, r3 |
| ; CHECK-THUMB2-NEXT: it lt |
| ; CHECK-THUMB2-NEXT: movlt.w r12, #1 |
| ; CHECK-THUMB2-NEXT: mov r0, r12 |
| ; CHECK-THUMB2-NEXT: bx lr |
| entry: |
| %cmp = icmp slt i64 %a, %b |
| br i1 %cmp, label %bb1, label %bb2 |
| bb1: |
| ret i32 1 |
| bb2: |
| ret i32 2 |
| } |
| |
| define void @test_slt2(i64 %a, i64 %b) { |
| ; CHECK-ARM-LABEL: test_slt2: |
| ; CHECK-ARM: @ %bb.0: @ %entry |
| ; CHECK-ARM-NEXT: push {r11, lr} |
| ; CHECK-ARM-NEXT: subs r0, r0, r2 |
| ; CHECK-ARM-NEXT: sbcs r0, r1, r3 |
| ; CHECK-ARM-NEXT: bge .LBB1_2 |
| ; CHECK-ARM-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-ARM-NEXT: bl f |
| ; CHECK-ARM-NEXT: pop {r11, pc} |
| ; CHECK-ARM-NEXT: .LBB1_2: @ %bb2 |
| ; CHECK-ARM-NEXT: bl g |
| ; CHECK-ARM-NEXT: pop {r11, pc} |
| ; |
| ; CHECK-THUMB1-NOMOV-LABEL: test_slt2: |
| ; CHECK-THUMB1-NOMOV: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: .save {r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: push {r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB1-NOMOV-NEXT: sbcs r1, r3 |
| ; CHECK-THUMB1-NOMOV-NEXT: bge .LBB1_2 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-THUMB1-NOMOV-NEXT: bl f |
| ; CHECK-THUMB1-NOMOV-NEXT: b .LBB1_3 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB1_2: @ %bb2 |
| ; CHECK-THUMB1-NOMOV-NEXT: bl g |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB1_3: @ %bb1 |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r7} |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r0} |
| ; CHECK-THUMB1-NOMOV-NEXT: bx r0 |
| ; |
| ; CHECK-THUMB1-LABEL: test_slt2: |
| ; CHECK-THUMB1: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NEXT: push {r7, lr} |
| ; CHECK-THUMB1-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB1-NEXT: sbcs r1, r3 |
| ; CHECK-THUMB1-NEXT: bge .LBB1_2 |
| ; CHECK-THUMB1-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-THUMB1-NEXT: bl f |
| ; CHECK-THUMB1-NEXT: pop {r7, pc} |
| ; CHECK-THUMB1-NEXT: .LBB1_2: @ %bb2 |
| ; CHECK-THUMB1-NEXT: bl g |
| ; CHECK-THUMB1-NEXT: pop {r7, pc} |
| ; |
| ; CHECK-THUMB2-LABEL: test_slt2: |
| ; CHECK-THUMB2: @ %bb.0: @ %entry |
| ; CHECK-THUMB2-NEXT: push {r7, lr} |
| ; CHECK-THUMB2-NEXT: subs r0, r0, r2 |
| ; CHECK-THUMB2-NEXT: sbcs.w r0, r1, r3 |
| ; CHECK-THUMB2-NEXT: bge .LBB1_2 |
| ; CHECK-THUMB2-NEXT: @ %bb.1: @ %bb1 |
| ; CHECK-THUMB2-NEXT: bl f |
| ; CHECK-THUMB2-NEXT: pop {r7, pc} |
| ; CHECK-THUMB2-NEXT: .LBB1_2: @ %bb2 |
| ; CHECK-THUMB2-NEXT: bl g |
| ; CHECK-THUMB2-NEXT: pop {r7, pc} |
| entry: |
| %cmp = icmp slt i64 %a, %b |
| br i1 %cmp, label %bb1, label %bb2 |
| bb1: |
| call void @f() |
| ret void |
| bb2: |
| call void @g() |
| ret void |
| } |
| |
| declare void @f() |
| declare void @g() |
| |
| define i64 @test_slt_select(i64 %c, i64 %d, i64 %a, i64 %b) { |
| ; CHECK-ARM-LABEL: test_slt_select: |
| ; CHECK-ARM: @ %bb.0: @ %entry |
| ; CHECK-ARM-NEXT: push {r4, r5, r6, r7, r11, lr} |
| ; CHECK-ARM-NEXT: ldr r12, [sp, #32] |
| ; CHECK-ARM-NEXT: mov r6, #0 |
| ; CHECK-ARM-NEXT: ldr lr, [sp, #24] |
| ; CHECK-ARM-NEXT: ldr r7, [sp, #36] |
| ; CHECK-ARM-NEXT: ldr r5, [sp, #28] |
| ; CHECK-ARM-NEXT: subs r4, lr, r12 |
| ; CHECK-ARM-NEXT: sbcs r7, r5, r7 |
| ; CHECK-ARM-NEXT: movwlo r6, #1 |
| ; CHECK-ARM-NEXT: cmp r6, #0 |
| ; CHECK-ARM-NEXT: moveq r0, r2 |
| ; CHECK-ARM-NEXT: moveq r1, r3 |
| ; CHECK-ARM-NEXT: pop {r4, r5, r6, r7, r11, pc} |
| ; |
| ; CHECK-THUMB1-NOMOV-LABEL: test_slt_select: |
| ; CHECK-THUMB1-NOMOV: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: .save {r4, r5, r6, r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: push {r4, r5, r6, r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: .pad #4 |
| ; CHECK-THUMB1-NOMOV-NEXT: sub sp, #4 |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r4, [sp, #36] |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r5, [sp, #28] |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r6, [sp, #32] |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r7, [sp, #24] |
| ; CHECK-THUMB1-NOMOV-NEXT: subs r6, r7, r6 |
| ; CHECK-THUMB1-NOMOV-NEXT: sbcs r5, r4 |
| ; CHECK-THUMB1-NOMOV-NEXT: blo .LBB2_2 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.1: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r4, #0 |
| ; CHECK-THUMB1-NOMOV-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NOMOV-NEXT: beq .LBB2_3 |
| ; CHECK-THUMB1-NOMOV-NEXT: b .LBB2_4 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB2_2: |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r4, #1 |
| ; CHECK-THUMB1-NOMOV-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NOMOV-NEXT: bne .LBB2_4 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB2_3: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r0, r2 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB2_4: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NOMOV-NEXT: bne .LBB2_6 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.5: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r1, r3 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB2_6: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: add sp, #4 |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r4, r5, r6, r7} |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r2} |
| ; CHECK-THUMB1-NOMOV-NEXT: bx r2 |
| ; |
| ; CHECK-THUMB1-LABEL: test_slt_select: |
| ; CHECK-THUMB1: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NEXT: push {r4, r5, r6, r7, lr} |
| ; CHECK-THUMB1-NEXT: sub sp, #4 |
| ; CHECK-THUMB1-NEXT: ldr r4, [sp, #36] |
| ; CHECK-THUMB1-NEXT: ldr r5, [sp, #28] |
| ; CHECK-THUMB1-NEXT: ldr r6, [sp, #32] |
| ; CHECK-THUMB1-NEXT: ldr r7, [sp, #24] |
| ; CHECK-THUMB1-NEXT: subs r6, r7, r6 |
| ; CHECK-THUMB1-NEXT: sbcs r5, r4 |
| ; CHECK-THUMB1-NEXT: blo .LBB2_2 |
| ; CHECK-THUMB1-NEXT: @ %bb.1: @ %entry |
| ; CHECK-THUMB1-NEXT: movs r4, #0 |
| ; CHECK-THUMB1-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NEXT: beq .LBB2_3 |
| ; CHECK-THUMB1-NEXT: b .LBB2_4 |
| ; CHECK-THUMB1-NEXT: .LBB2_2: |
| ; CHECK-THUMB1-NEXT: movs r4, #1 |
| ; CHECK-THUMB1-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NEXT: bne .LBB2_4 |
| ; CHECK-THUMB1-NEXT: .LBB2_3: @ %entry |
| ; CHECK-THUMB1-NEXT: mov r0, r2 |
| ; CHECK-THUMB1-NEXT: .LBB2_4: @ %entry |
| ; CHECK-THUMB1-NEXT: cmp r4, #0 |
| ; CHECK-THUMB1-NEXT: beq .LBB2_6 |
| ; CHECK-THUMB1-NEXT: @ %bb.5: @ %entry |
| ; CHECK-THUMB1-NEXT: add sp, #4 |
| ; CHECK-THUMB1-NEXT: pop {r4, r5, r6, r7, pc} |
| ; CHECK-THUMB1-NEXT: .LBB2_6: @ %entry |
| ; CHECK-THUMB1-NEXT: mov r1, r3 |
| ; CHECK-THUMB1-NEXT: add sp, #4 |
| ; CHECK-THUMB1-NEXT: pop {r4, r5, r6, r7, pc} |
| ; |
| ; CHECK-THUMB2-LABEL: test_slt_select: |
| ; CHECK-THUMB2: @ %bb.0: @ %entry |
| ; CHECK-THUMB2-NEXT: push {r4, r5, r6, r7, lr} |
| ; CHECK-THUMB2-NEXT: sub sp, #4 |
| ; CHECK-THUMB2-NEXT: ldrd r12, r7, [sp, #32] |
| ; CHECK-THUMB2-NEXT: movs r6, #0 |
| ; CHECK-THUMB2-NEXT: ldrd lr, r5, [sp, #24] |
| ; CHECK-THUMB2-NEXT: subs.w r4, lr, r12 |
| ; CHECK-THUMB2-NEXT: sbcs.w r7, r5, r7 |
| ; CHECK-THUMB2-NEXT: it lo |
| ; CHECK-THUMB2-NEXT: movlo r6, #1 |
| ; CHECK-THUMB2-NEXT: cmp r6, #0 |
| ; CHECK-THUMB2-NEXT: itt eq |
| ; CHECK-THUMB2-NEXT: moveq r0, r2 |
| ; CHECK-THUMB2-NEXT: moveq r1, r3 |
| ; CHECK-THUMB2-NEXT: add sp, #4 |
| ; CHECK-THUMB2-NEXT: pop {r4, r5, r6, r7, pc} |
| entry: |
| %cmp = icmp ult i64 %a, %b |
| %r1 = select i1 %cmp, i64 %c, i64 %d |
| ret i64 %r1 |
| } |
| |
| define {i32, i32} @test_slt_not(i32 %c, i32 %d, i64 %a, i64 %b) { |
| ; CHECK-ARM-LABEL: test_slt_not: |
| ; CHECK-ARM: @ %bb.0: @ %entry |
| ; CHECK-ARM-NEXT: ldr r12, [sp] |
| ; CHECK-ARM-NEXT: mov r1, #0 |
| ; CHECK-ARM-NEXT: ldr r0, [sp, #4] |
| ; CHECK-ARM-NEXT: subs r2, r2, r12 |
| ; CHECK-ARM-NEXT: sbcs r0, r3, r0 |
| ; CHECK-ARM-NEXT: mov r0, #0 |
| ; CHECK-ARM-NEXT: movwge r1, #1 |
| ; CHECK-ARM-NEXT: movwlt r0, #1 |
| ; CHECK-ARM-NEXT: bx lr |
| ; |
| ; CHECK-THUMB1-NOMOV-LABEL: test_slt_not: |
| ; CHECK-THUMB1-NOMOV: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: .save {r4, r5, r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: push {r4, r5, r7, lr} |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r1, #1 |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r4, #0 |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r0, [sp, #20] |
| ; CHECK-THUMB1-NOMOV-NEXT: ldr r5, [sp, #16] |
| ; CHECK-THUMB1-NOMOV-NEXT: subs r2, r2, r5 |
| ; CHECK-THUMB1-NOMOV-NEXT: sbcs r3, r0 |
| ; CHECK-THUMB1-NOMOV-NEXT: push {r1} |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r0} |
| ; CHECK-THUMB1-NOMOV-NEXT: blt .LBB3_2 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.1: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: push {r4} |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r0} |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB3_2: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: bge .LBB3_4 |
| ; CHECK-THUMB1-NOMOV-NEXT: @ %bb.3: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: movs r1, r4 |
| ; CHECK-THUMB1-NOMOV-NEXT: .LBB3_4: @ %entry |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r4, r5, r7} |
| ; CHECK-THUMB1-NOMOV-NEXT: pop {r2} |
| ; CHECK-THUMB1-NOMOV-NEXT: bx r2 |
| ; |
| ; CHECK-THUMB1-LABEL: test_slt_not: |
| ; CHECK-THUMB1: @ %bb.0: @ %entry |
| ; CHECK-THUMB1-NEXT: push {r4, r5, r7, lr} |
| ; CHECK-THUMB1-NEXT: movs r1, #1 |
| ; CHECK-THUMB1-NEXT: movs r4, #0 |
| ; CHECK-THUMB1-NEXT: ldr r0, [sp, #20] |
| ; CHECK-THUMB1-NEXT: ldr r5, [sp, #16] |
| ; CHECK-THUMB1-NEXT: subs r2, r2, r5 |
| ; CHECK-THUMB1-NEXT: sbcs r3, r0 |
| ; CHECK-THUMB1-NEXT: mov r0, r1 |
| ; CHECK-THUMB1-NEXT: bge .LBB3_3 |
| ; CHECK-THUMB1-NEXT: @ %bb.1: @ %entry |
| ; CHECK-THUMB1-NEXT: blt .LBB3_4 |
| ; CHECK-THUMB1-NEXT: .LBB3_2: @ %entry |
| ; CHECK-THUMB1-NEXT: pop {r4, r5, r7, pc} |
| ; CHECK-THUMB1-NEXT: .LBB3_3: @ %entry |
| ; CHECK-THUMB1-NEXT: mov r0, r4 |
| ; CHECK-THUMB1-NEXT: bge .LBB3_2 |
| ; CHECK-THUMB1-NEXT: .LBB3_4: @ %entry |
| ; CHECK-THUMB1-NEXT: mov r1, r4 |
| ; CHECK-THUMB1-NEXT: pop {r4, r5, r7, pc} |
| ; |
| ; CHECK-THUMB2-LABEL: test_slt_not: |
| ; CHECK-THUMB2: @ %bb.0: @ %entry |
| ; CHECK-THUMB2-NEXT: ldr.w r12, [sp] |
| ; CHECK-THUMB2-NEXT: movs r1, #0 |
| ; CHECK-THUMB2-NEXT: ldr r0, [sp, #4] |
| ; CHECK-THUMB2-NEXT: subs.w r2, r2, r12 |
| ; CHECK-THUMB2-NEXT: sbcs.w r0, r3, r0 |
| ; CHECK-THUMB2-NEXT: mov.w r0, #0 |
| ; CHECK-THUMB2-NEXT: ite lt |
| ; CHECK-THUMB2-NEXT: movlt r0, #1 |
| ; CHECK-THUMB2-NEXT: movge r1, #1 |
| ; CHECK-THUMB2-NEXT: bx lr |
| entry: |
| %cmp = icmp slt i64 %a, %b |
| %not = xor i1 %cmp, true |
| %r1 = zext i1 %cmp to i32 |
| %r2 = zext i1 %not to i32 |
| %z = insertvalue { i32, i32 } undef, i32 %r1, 0 |
| %z2 = insertvalue { i32, i32 } %z, i32 %r2, 1 |
| ret { i32, i32 } %z2 |
| } |