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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -o - %s -mtriple aarch64-- -mattr +slow-misaligned-128store | FileCheck %s3; Checks for a bug where selection dag store merging would construct wrong4; indices when extracting values from vectors, resulting in an invalid5; lane duplication in this case.6; The only way I could trigger stores with mismatching types getting merged was7; via the aarch64 slow-misaligned-128store code splitting stores earlier.8 9; aarch64 feature slow-misaligned-128store splits the following store.10; store merging immediately merges it back together (but used to get the11; merging wrong), this is the only way I was able to reproduce the bug...12 13define void @func(ptr %sptr, ptr %dptr) {14; CHECK-LABEL: func:15; CHECK: // %bb.0:16; CHECK-NEXT: ldr q0, [x0]17; CHECK-NEXT: str q0, [x1]18; CHECK-NEXT: ret19 %load = load <2 x double>, ptr %sptr, align 820 store <2 x double> %load, ptr %dptr, align 421 ret void22}23