1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes='instcombine' -S < %s | FileCheck %s
3 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
5 define i64 @promote_vscale_i32_to_i64() {
6 ; CHECK-LABEL: @promote_vscale_i32_to_i64(
7 ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
8 ; CHECK-NEXT: [[EXT:%.*]] = and i64 [[VSCALE]], 4294967295
9 ; CHECK-NEXT: ret i64 [[EXT]]
11 %vscale = call i32 @llvm.vscale.i32()
12 %ext = zext i32 %vscale to i64
16 define i64 @pomote_zext_shl_vscale_i32_to_i64() {
17 ; CHECK-LABEL: @pomote_zext_shl_vscale_i32_to_i64(
18 ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
19 ; CHECK-NEXT: [[SHL:%.*]] = shl i64 [[VSCALE]], 3
20 ; CHECK-NEXT: [[EXT:%.*]] = and i64 [[SHL]], 4294967288
21 ; CHECK-NEXT: ret i64 [[EXT]]
23 %vscale = call i32 @llvm.vscale.i32()
24 %shl = shl i32 %vscale, 3
25 %ext = zext i32 %shl to i64
29 ; Same test as @pomote_zext_shl_vscale_i32_to_i64, but with the
30 ; vscale_range attribute so that the 'and' is folded away.
31 define i64 @free_zext_vscale_shl_i32_to_i64() #0 {
32 ; CHECK-LABEL: @free_zext_vscale_shl_i32_to_i64(
33 ; CHECK-NEXT: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
34 ; CHECK-NEXT: [[SHL:%.*]] = shl nuw nsw i64 [[VSCALE]], 3
35 ; CHECK-NEXT: ret i64 [[SHL]]
37 %vscale = call i32 @llvm.vscale.i32()
38 %shl = shl i32 %vscale, 3
39 %ext = zext i32 %shl to i64
43 declare i32 @llvm.vscale.i32()
45 attributes #0 = { vscale_range(1,16) }