test/CodeGen/JS/mem-intrinsics.ll - Issue 1692803002: Remove Emscripten support

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Issue 1692803002: Remove Emscripten support (Closed) Base URL: https://chromium.googlesource.com/a/native_client/pnacl-llvm.git@master

Patch Set: Created 4 years, 10 months ago

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1 ; RUN: llc < %s \| FileCheck %s

2

3 ; llc should emit small aligned memcpy and memset inline.

4

5 target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64 :64:64-p:32:32:32-v128:32:128-n32-S128"

6 target triple = "asmjs-unknown-emscripten"

7

8 ; CHECK: test_unrolled_memcpy

9 ; CHECK: HEAP32[$d+0>>2]=HEAP32[$s+0>>2]\|0;HEAP32[$d+4>>2]=HEAP32[$s+4>>2]\|0;HEA P32[$d+8>>2]=HEAP32[$s+8>>2]\|0;HEAP32[$d+12>>2]=HEAP32[$s+12>>2]\|0;HEAP32[$d+16> >2]=HEAP32[$s+16>>2]\|0;HEAP32[$d+20>>2]=HEAP32[$s+20>>2]\|0;HEAP32[$d+24>>2]=HEAP 32[$s+24>>2]\|0;HEAP32[$d+28>>2]=HEAP32[$s+28>>2]\|0;

10 define void @test_unrolled_memcpy(i8* %d, i8* %s) {

11 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 32, i32 4, i1 false)

12 ret void

13 }

14

15 ; CHECK: test_loop_memcpy

16 ; CHECK: dest=$d+0\|0; src=$s+0\|0; stop=dest+64\|0; do { HEAP32[dest>>2]=HEAP32[sr c>>2]\|0; dest=dest+4\|0; src=src+4\|0; } while ((dest\|0) < (stop\|0))

17 define void @test_loop_memcpy(i8* %d, i8* %s) {

18 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 64, i32 4, i1 false)

19 ret void

20 }

21

22 ; CHECK: test_call_memcpy

23 ; CHECK: memcpy(($d\|0),($s\|0),65536)

24 define void @test_call_memcpy(i8* %d, i8* %s) {

25 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 65536, i32 4, i1 fals e)

26 ret void

27 }

28

29 ; CHECK: test_unrolled_memset

30 ; CHECK: HEAP32[$d+0>>2]=0\|0;HEAP32[$d+4>>2]=0\|0;HEAP32[$d+8>>2]=0\|0;HEAP32[$d+ 12>>2]=0\|0;HEAP32[$d+16>>2]=0\|0;HEAP32[$d+20>>2]=0\|0;HEAP32[$d+24>>2]=0\|0;HEAP32 [$d+28>>2]=0\|0;

31 define void @test_unrolled_memset(i8* %d, i8* %s) {

32 call void @llvm.memset.p0i8.i32(i8* %d, i8 0, i32 32, i32 4, i1 false)

33 ret void

34 }

35

36 ; CHECK: test_loop_memset

37 ; CHECK: dest=$d+0\|0; stop=dest+64\|0; do { HEAP32[dest>>2]=0\|0; dest=dest+4\|0; } while ((dest\|0) < (stop\|0));

38 define void @test_loop_memset(i8* %d, i8* %s) {

39 call void @llvm.memset.p0i8.i32(i8* %d, i8 0, i32 64, i32 4, i1 false)

40 ret void

41 }

42

43 ; CHECK: test_call_memset

44 ; CHECK: memset(($d\|0),0,65536)

45 define void @test_call_memset(i8* %d, i8* %s) {

46 call void @llvm.memset.p0i8.i32(i8* %d, i8 0, i32 65536, i32 4, i1 false)

47 ret void

48 }

49

50 ; Also, don't emit declarations for the intrinsic functions.

51 ; CHECK-NOT: p0i8

52

53 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) #0

54 declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #0

55

56 attributes #0 = { nounwind }

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