75 lines
2.9 KiB
LLVM
75 lines
2.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -codegenprepare -mtriple=x86_64-unknown-unknown -force-split-store -S < %s | FileCheck %s
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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"
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target triple = "i686-w64-windows-gnu"
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define void @split_store_align1(float %x, i64* %p) {
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; CHECK-LABEL: @split_store_align1(
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; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
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; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
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; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
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; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
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; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
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; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 1
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
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; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 1
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; CHECK-NEXT: ret void
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;
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%b = bitcast float %x to i32
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%z = zext i32 0 to i64
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%s = shl nuw nsw i64 %z, 32
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%z2 = zext i32 %b to i64
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%o = or i64 %s, %z2
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store i64 %o, i64* %p, align 1
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ret void
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}
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define void @split_store_align2(float %x, i64* %p) {
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; CHECK-LABEL: @split_store_align2(
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; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
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; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
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; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
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; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
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; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
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; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 2
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
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; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 2
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; CHECK-NEXT: ret void
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;
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%b = bitcast float %x to i32
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%z = zext i32 0 to i64
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%s = shl nuw nsw i64 %z, 32
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%z2 = zext i32 %b to i64
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%o = or i64 %s, %z2
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store i64 %o, i64* %p, align 2
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ret void
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}
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define void @split_store_align8(float %x, i64* %p) {
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; CHECK-LABEL: @split_store_align8(
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; CHECK-NEXT: [[B:%.*]] = bitcast float [[X:%.*]] to i32
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; CHECK-NEXT: [[Z:%.*]] = zext i32 0 to i64
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; CHECK-NEXT: [[S:%.*]] = shl nuw nsw i64 [[Z]], 32
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; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[B]] to i64
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; CHECK-NEXT: [[O:%.*]] = or i64 [[S]], [[Z2]]
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P:%.*]] to i32*
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; CHECK-NEXT: store i32 [[B]], i32* [[TMP1]], align 8
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[P]] to i32*
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP2]], i32 1
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; CHECK-NEXT: store i32 0, i32* [[TMP3]], align 4
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; CHECK-NEXT: ret void
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;
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%b = bitcast float %x to i32
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%z = zext i32 0 to i64
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%s = shl nuw nsw i64 %z, 32
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%z2 = zext i32 %b to i64
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%o = or i64 %s, %z2
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store i64 %o, i64* %p, align 8
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ret void
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}
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