tests_lit/llvm2ice_tests/ebp_args.ll - Issue 580903005: Subzero: Add branch optimization.

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Issue 580903005: Subzero: Add branch optimization. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Code review changes Created 6 years, 3 months ago

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1 ; This test originally exhibited a bug in ebp-based stack slots. The	1 ; This test originally exhibited a bug in ebp-based stack slots. The

2 ; problem was that during a function call push sequence, the esp	2 ; problem was that during a function call push sequence, the esp

3 ; adjustment was incorrectly added to the stack/frame offset for	3 ; adjustment was incorrectly added to the stack/frame offset for

4 ; ebp-based frames.	4 ; ebp-based frames.

5	5

6 ; RUN: %llvm2ice -Om1 --target=x8632 --verbose none %s \| FileCheck %s	6 ; RUN: %llvm2ice -Om1 --target=x8632 --verbose none %s \| FileCheck %s

7	7

8 declare i32 @memcpy_helper2(i32 %buf, i32 %buf2, i32 %n);	8 declare i32 @memcpy_helper2(i32 %buf, i32 %buf2, i32 %n)

9	9

10 define i32 @memcpy_helper(i32 %buf, i32 %n) {	10 define i32 @memcpy_helper(i32 %buf, i32 %n) {

11 entry:	11 entry:

12 %n.arg_trunc = trunc i32 %n to i8	12 %n.arg_trunc = trunc i32 %n to i8

13 %buf2 = alloca i8, i32 128, align 4	13 %buf2 = alloca i8, i32 128, align 4

14 %buf2.asint = ptrtoint i8* %buf2 to i32	14 %buf2.asint = ptrtoint i8* %buf2 to i32

15 %arg_ext = zext i8 %n.arg_trunc to i32	15 %arg_ext = zext i8 %n.arg_trunc to i32

16 %call = call i32 @memcpy_helper2(i32 %buf, i32 %buf2.asint, i32 %arg_ext)	16 %call = call i32 @memcpy_helper2(i32 %buf, i32 %buf2.asint, i32 %arg_ext)

17 ret i32 %call	17 ret i32 %call

18 }	18 }

(...skipping 15 matching lines...) Expand all Loading...
34 ; CHECK: movzx eax, byte ptr [ebp-4]	34 ; CHECK: movzx eax, byte ptr [ebp-4]

35 ; CHECK: mov dword ptr [ebp-16], eax	35 ; CHECK: mov dword ptr [ebp-16], eax

36 ; CHECK: sub esp, 16	36 ; CHECK: sub esp, 16

37 ; CHECK: mov ecx, dword ptr [ebp+8]	37 ; CHECK: mov ecx, dword ptr [ebp+8]

38 ; CHECK: mov dword ptr [esp], ecx	38 ; CHECK: mov dword ptr [esp], ecx

39 ; CHECK: mov ecx, dword ptr [ebp-12]	39 ; CHECK: mov ecx, dword ptr [ebp-12]

40 ; CHECK: mov dword ptr [esp+4], ecx	40 ; CHECK: mov dword ptr [esp+4], ecx

41 ; CHECK: mov ecx, dword ptr [ebp-16]	41 ; CHECK: mov ecx, dword ptr [ebp-16]

42 ; CHECK: mov dword ptr [esp+8], ecx	42 ; CHECK: mov dword ptr [esp+8], ecx

43 ; CHECK: call memcpy_helper2	43 ; CHECK: call memcpy_helper2

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