Index: llvm/lib/Target/ARM/ARMISelLowering.cpp =================================================================== --- llvm/lib/Target/ARM/ARMISelLowering.cpp +++ llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -295,6 +295,8 @@ setOperationAction(ISD::UDIVREM, VT, Expand); setOperationAction(ISD::SDIVREM, VT, Expand); setOperationAction(ISD::CTPOP, VT, Expand); + setOperationAction(ISD::SELECT, VT, Expand); + setOperationAction(ISD::SELECT_CC, VT, Expand); // Vector reductions setOperationAction(ISD::VECREDUCE_ADD, VT, Legal); @@ -341,6 +343,8 @@ setOperationAction(ISD::SETCC, VT, Custom); setOperationAction(ISD::MLOAD, VT, Custom); setOperationAction(ISD::MSTORE, VT, Legal); + setOperationAction(ISD::SELECT, VT, Expand); + setOperationAction(ISD::SELECT_CC, VT, Expand); // Pre and Post inc are supported on loads and stores for (unsigned im = (unsigned)ISD::PRE_INC; Index: llvm/test/CodeGen/Thumb2/mve-selectcc.ll =================================================================== --- llvm/test/CodeGen/Thumb2/mve-selectcc.ll +++ llvm/test/CodeGen/Thumb2/mve-selectcc.ll @@ -203,3 +203,56 @@ %s = select i1 %c, <2 x double> %s0, <2 x double> %s1 ret <2 x double> %s } + +define i32 @e() { +; CHECK-LABEL: e: +; CHECK: @ %bb.0: @ %entry +; CHECK-NEXT: adr r0, .LCPI14_0 +; CHECK-NEXT: vmov.i32 q1, #0x4 +; CHECK-NEXT: vldrw.u32 q0, [r0] +; CHECK-NEXT: movs r0, #0 +; CHECK-NEXT: vmov q2, q0 +; CHECK-NEXT: .LBB14_1: @ %vector.body +; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 +; CHECK-NEXT: adds r0, #4 +; CHECK-NEXT: vadd.i32 q2, q2, q1 +; CHECK-NEXT: cmp r0, #8 +; CHECK-NEXT: cset r1, eq +; CHECK-NEXT: tst.w r1, #1 +; CHECK-NEXT: csetm r1, ne +; CHECK-NEXT: subs.w r2, r0, #8 +; CHECK-NEXT: vdup.32 q3, r1 +; CHECK-NEXT: csel r0, r0, r2, ne +; CHECK-NEXT: vbic q2, q2, q3 +; CHECK-NEXT: vand q3, q3, q0 +; CHECK-NEXT: vorr q2, q3, q2 +; CHECK-NEXT: b .LBB14_1 +; CHECK-NEXT: .p2align 4 +; CHECK-NEXT: @ %bb.2: +; CHECK-NEXT: .LCPI14_0: +; CHECK-NEXT: .long 0 @ 0x0 +; CHECK-NEXT: .long 1 @ 0x1 +; CHECK-NEXT: .long 2 @ 0x2 +; CHECK-NEXT: .long 3 @ 0x3 +entry: + br label %vector.body + +vector.body: ; preds = %pred.store.continue73, %entry + %index = phi i32 [ 0, %entry ], [ %spec.select, %pred.store.continue73 ] + %vec.ind = phi <4 x i32> [ , %entry ], [ %spec.select74, %pred.store.continue73 ] + %0 = or i32 %index, 1 + %1 = or i32 %index, 2 + %2 = or i32 %index, 3 + %3 = icmp ult <4 x i32> %vec.ind, + %4 = extractelement <4 x i1> %3, i32 0 + br label %pred.store.continue73 + +pred.store.continue73: ; preds = %pred.store.if72, %pred.store.continue71 + %index.next = add i32 %index, 4 + %vec.ind.next = add <4 x i32> %vec.ind, + %l60 = icmp eq i32 %index.next, 8 + %spec.select = select i1 %l60, i32 0, i32 %index.next + %spec.select74 = select i1 %l60, <4 x i32> , <4 x i32> %vec.ind.next + br label %vector.body +} +