; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes='instcombine' -S < %s | FileCheck %s target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" define i64 @promote_vscale_i32_to_i64() { ; CHECK-LABEL: @promote_vscale_i32_to_i64( ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[EXT:%.*]] = and i64 [[VSCALE]], 4294967295 ; CHECK-NEXT: ret i64 [[EXT]] ; %vscale = call i32 @llvm.vscale.i32() %ext = zext i32 %vscale to i64 ret i64 %ext } define i64 @pomote_zext_shl_vscale_i32_to_i64() { ; CHECK-LABEL: @pomote_zext_shl_vscale_i32_to_i64( ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[SHL:%.*]] = shl i64 [[VSCALE]], 3 ; CHECK-NEXT: [[EXT:%.*]] = and i64 [[SHL]], 4294967288 ; CHECK-NEXT: ret i64 [[EXT]] ; %vscale = call i32 @llvm.vscale.i32() %shl = shl i32 %vscale, 3 %ext = zext i32 %shl to i64 ret i64 %ext } ; Same test as @pomote_zext_shl_vscale_i32_to_i64, but with the ; vscale_range attribute so that the 'and' is folded away. define i64 @free_zext_vscale_shl_i32_to_i64() #0 { ; CHECK-LABEL: @free_zext_vscale_shl_i32_to_i64( ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[SHL:%.*]] = shl nuw nsw i64 [[VSCALE]], 3 ; CHECK-NEXT: ret i64 [[SHL]] ; %vscale = call i32 @llvm.vscale.i32() %shl = shl i32 %vscale, 3 %ext = zext i32 %shl to i64 ret i64 %ext } declare i32 @llvm.vscale.i32() attributes #0 = { vscale_range(1,16) }