1 ; REQUIRES: asserts 2 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -disable-ifcvt-diamond -stats 2>&1 | FileCheck %s 3 ; Evaluate the two vld1.8 instructions in separate MBB's, 4 ; instead of stalling on one and conditionally overwriting its result. 5 ; 6 ; Update: After if-conversion the two vld1.8 instructions are in the same MBB 7 ; again. So we disable this if-conversion to eliminate its influence to this 8 ; test. 9 10 ; CHECK-NOT: Number of pipeline stalls 11 define <16 x i8> @multiselect(i32 %avail, i8* %foo, i8* %bar) { 12 entry: 13 %vld1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* %foo, i32 1) 14 %vld2 = call <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* %bar, i32 1) 15 %and = and i32 %avail, 3 16 %tobool = icmp eq i32 %and, 0 17 %retv = select i1 %tobool, <16 x i8> %vld1, <16 x i8> %vld2 18 ret <16 x i8> %retv 19 } 20 21 declare <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* , i32 ) 22
