1; RUN: opt -S -passes=loop-vectorize -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s 2 3; This test is checking that a scalable load inside a loop does not trigger a 4; TypeSize error in the loop vectorization legality analysis. It is possible for 5; a scalable/vector load to appear inside a loop at vectorization legality 6; analysis if, for example, the ACLE are used. If we encounter a scalable/vector 7; load, it should not be considered for analysis, and we should not see a 8; TypeSize error. 9 10; #include <arm_sve.h> 11; 12; void scalable_load_in_loop(long n, int *a, int *b, svuint32_t *x, 13; svuint32_t *y) { 14; for (unsigned i = 0; i < n; i++) { 15; if (i % 2 == 0) continue; 16; a[i] = 2 * b[i]; 17; *x = *y; 18; } 19; } 20 21; CHECK-LABEL: @scalable_load_in_loop 22; CHECK-NOT: vector.body 23define void @scalable_load_in_loop(i64 %n, ptr %x, ptr %y) { 24entry: 25 br label %for.body 26 27for.body: 28 %i = phi i32 [ %inc, %for.inc ], [ 0, %entry ] 29 %rem = and i32 %i, 1 30 %cmp = icmp eq i32 %rem, 0 31 br i1 %cmp, label %for.inc, label %if.end 32 33if.end: 34 %0 = load <vscale x 4 x i32>, ptr %y 35 store <vscale x 4 x i32> %0, ptr %x 36 br label %for.inc 37 38for.inc: 39 %inc = add i32 %i, 1 40 %cmp2 = icmp slt i64 0, %n 41 br i1 %cmp2, label %for.body, label %for.cleanup 42 43for.cleanup: 44 ret void 45} 46