; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+sse2 | FileCheck %s --check-prefix=SSE2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE41 ; Make sure that the conversion between v4i8 to v2i16 is not a simple bitcast. define void @prom_bug(<4 x i8> %t, ptr %p) { ; SSE2-LABEL: prom_bug: ; SSE2: ## %bb.0: ; SSE2-NEXT: movd %xmm0, %eax ; SSE2-NEXT: movw %ax, (%rdi) ; SSE2-NEXT: retq ; ; SSE41-LABEL: prom_bug: ; SSE41: ## %bb.0: ; SSE41-NEXT: pextrw $0, %xmm0, (%rdi) ; SSE41-NEXT: retq %r = bitcast <4 x i8> %t to <2 x i16> %o = extractelement <2 x i16> %r, i32 0 store i16 %o, ptr %p ret void }