target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" target triple = "powerpc64-unknown-linux-gnu" ; RUN: llc -ppc-gpr-icmps=all -verify-machineinstrs -O2 -ppc-asm-full-reg-names -mcpu=pwr7 -ppc-gen-isel=false < %s | FileCheck %s --implicit-check-not isel define signext i32 @testExpandISELToIfElse(i32 signext %i, i32 signext %j) { entry: %cmp = icmp sgt i32 %i, 0 %add = add nsw i32 %i, 1 %cond = select i1 %cmp, i32 %add, i32 %j ret i32 %cond ; CHECK-LABEL: @testExpandISELToIfElse ; CHECK: addi r5, r3, 1 ; CHECK-NEXT: cmpwi r3, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK: ori r3, r4, 0 ; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r3, r5, 0 ; CHECK-NEXT: [[SUCCESSOR]] ; CHECK-NEXT: extsw r3, r3 ; CHECK-NEXT: blr } define signext i32 @testExpandISELToIf(i32 signext %i, i32 signext %j) { entry: %cmp = icmp sgt i32 %i, 0 %cond = select i1 %cmp, i32 %j, i32 %i ret i32 %cond ; CHECK-LABEL: @testExpandISELToIf ; CHECK: cmpwi r3, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK-NEXT: blr ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r3, r4, 0 ; CHECK-NEXT: blr } define signext i32 @testExpandISELToElse(i32 signext %i, i32 signext %j) { entry: %cmp = icmp sgt i32 %i, 0 %cond = select i1 %cmp, i32 %i, i32 %j ret i32 %cond ; CHECK-LABEL: @testExpandISELToElse ; CHECK: cmpwi r3, 0 ; CHECK-NEXT: bclr 12, gt, 0 ; CHECK: ori r3, r4, 0 ; CHECK-NEXT: blr } define signext i32 @testExpandISELToNull(i32 signext %i, i32 signext %j) { entry: %cmp = icmp sgt i32 %i, 0 %cond = select i1 %cmp, i32 %i, i32 %i ret i32 %cond ; CHECK-LABEL: @testExpandISELToNull ; CHECK-NOT: b {{.LBB[0-9]+}} ; CHECK-NOT: bc ; CHECK: blr } define signext i32 @testExpandISELsTo2ORIs2ADDIs (i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) { entry: %cmp = icmp sgt i32 %g, 0 %a.b = select i1 %cmp, i32 %g, i32 %b %d.f = select i1 %cmp, i32 %d, i32 %f %add = add nsw i32 %a.b, %d.f ret i32 %add ; CHECK-LABEL: @testExpandISELsTo2ORIs2ADDIs ; CHECK: cmpwi r7, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK: ori r3, r4, 0 ; CHECK-NEXT: ori r4, r6, 0 ; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r3, r7, 0 ; CHECK-NEXT: addi r4, r5, 0 ; CHECK-NEXT: [[SUCCESSOR]] ; CHECK-NEXT: add r3, r3, r4 ; CHECK-NEXT: extsw r3, r3 ; CHECK-NEXT: blr } define signext i32 @testExpandISELsTo2ORIs1ADDI (i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) { entry: %cmp = icmp sgt i32 %g, 0 %a.b = select i1 %cmp, i32 %a, i32 %b %d.f = select i1 %cmp, i32 %d, i32 %f %add = add nsw i32 %a.b, %d.f ret i32 %add ; CHECK-LABEL: @testExpandISELsTo2ORIs1ADDI ; CHECK: cmpwi r7, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK: ori r3, r4, 0 ; CHECK-NEXT: ori r4, r6, 0 ; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r4, r5, 0 ; CHECK-NEXT: [[SUCCESSOR]] ; CHECK-NEXT: add r3, r3, r4 ; CHECK-NEXT: extsw r3, r3 ; CHECK-NEXT: blr } define signext i32 @testExpandISELsTo1ORI1ADDI (i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) { entry: %cmp = icmp sgt i32 %g, 0 %a.b = select i1 %cmp, i32 %a, i32 %b %d.f = select i1 %cmp, i32 %d, i32 %f %add1 = add nsw i32 %a.b, %d.f %add2 = add nsw i32 %a, %add1 ret i32 %add2 ; CHECK-LABEL: @testExpandISELsTo1ORI1ADDI ; CHECK: cmpwi r7, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK: ori r5, r6, 0 ; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r4, r3, 0 ; CHECK-NEXT: [[SUCCESSOR]] ; CHECK-NEXT: add r4, r4, r5 ; CHECK-NEXT: add r3, r3, r4 ; CHECK-NEXT: extsw r3, r3 ; CHECK-NEXT: blr } define signext i32 @testExpandISELsTo0ORI2ADDIs (i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) { entry: %cmp = icmp sgt i32 %g, 0 %a.b = select i1 %cmp, i32 %a, i32 %b %d.f = select i1 %cmp, i32 %d, i32 %f %add1 = add nsw i32 %a.b, %d.f %add2 = add nsw i32 %a, %add1 %sub1 = sub nsw i32 %add2, %d ret i32 %sub1 ; CHECK-LABEL: @testExpandISELsTo0ORI2ADDIs ; CHECK: cmpwi r7, 0 ; CHECK-NEXT: bc 12, gt, [[TRUE:.LBB[0-9]+]] ; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NEXT: [[TRUE]] ; CHECK-NEXT: addi r4, r3, 0 ; CHECK-NEXT: addi r6, r5, 0 ; CHECK-NEXT: [[SUCCESSOR]] ; CHECK-NEXT: add r4, r4, r6 ; CHECK-NEXT: add r3, r3, r4 ; CHECK-NEXT: sub r3, r3, r5 ; CHECK-NEXT: extsw r3, r3 ; CHECK-NEXT: blr } @b = local_unnamed_addr global i32 0, align 4 @a = local_unnamed_addr global i32 0, align 4 ; Function Attrs: norecurse nounwind readonly define signext i32 @testComplexISEL() #0 { entry: %0 = load i32, i32* @b, align 4, !tbaa !1 %tobool = icmp eq i32 %0, 0 br i1 %tobool, label %if.end, label %cleanup if.end: %1 = load i32, i32* @a, align 4, !tbaa !1 %conv = sext i32 %1 to i64 %2 = inttoptr i64 %conv to i32 (...)* %cmp = icmp eq i32 (...)* %2, bitcast (i32 ()* @testComplexISEL to i32 (...)*) %conv3 = zext i1 %cmp to i32 br label %cleanup cleanup: %retval.0 = phi i32 [ %conv3, %if.end ], [ 1, %entry ] ret i32 %retval.0 ; CHECK-LABEL: @testComplexISEL ; CHECK: cmplwi r3, 0 ; CHECK: li r3, 1 ; CHECK: beq cr0, [[TGT:.LBB[0-9_]+]] ; CHECK: clrldi r3, r3, 32 ; CHECK: blr ; CHECK: [[TGT]] ; CHECK: xor [[XOR:r[0-9]+]] ; CHECK: cntlzd [[CZ:r[0-9]+]], [[XOR]] ; CHECK: rldicl [[SH:r[0-9]+]], [[CZ]], 58, 63 } !1 = !{!2, !2, i64 0} !2 = !{!"int", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"}