1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -codegenprepare -mtriple=x86_64-unknown-unknown -force-split-store -S < %s | FileCheck %s
4 target datalayout = "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:32-n8:16:32-a:0:32-S32"
5 target triple = "i686-w64-windows-gnu"
7 define void @split_store_align1(float %x, i64* %p) {
8 ; CHECK-LABEL: @split_store_align1(
9 ; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
10 ; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
11 ; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
12 ; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
13 ; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
14 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
15 ; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 1
16 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
17 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
18 ; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 1
19 ; CHECK-NEXT: ret void
21 %b = bitcast float %x to i32
22 %z = zext i32 0 to i64
23 %s = shl nuw nsw i64 %z, 32
24 %z2 = zext i32 %b to i64
26 store i64 %o, i64* %p, align 1
30 define void @split_store_align2(float %x, i64* %p) {
31 ; CHECK-LABEL: @split_store_align2(
32 ; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
33 ; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
34 ; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
35 ; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
36 ; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
37 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
38 ; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 2
39 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
40 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
41 ; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 2
42 ; CHECK-NEXT: ret void
44 %b = bitcast float %x to i32
45 %z = zext i32 0 to i64
46 %s = shl nuw nsw i64 %z, 32
47 %z2 = zext i32 %b to i64
49 store i64 %o, i64* %p, align 2
53 define void @split_store_align8(float %x, i64* %p) {
54 ; CHECK-LABEL: @split_store_align8(
55 ; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
56 ; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
57 ; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
58 ; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
59 ; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
60 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
61 ; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 8
62 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
63 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
64 ; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 4
65 ; CHECK-NEXT: ret void
67 %b = bitcast float %x to i32
68 %z = zext i32 0 to i64
69 %s = shl nuw nsw i64 %z, 32
70 %z2 = zext i32 %b to i64
72 store i64 %o, i64* %p, align 8