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1 ; This tests a simple loop that sums the elements of an input array. | 1 ; This tests a simple loop that sums the elements of an input array. |
2 ; The O2 check patterns represent the best code currently achieved. | 2 ; The O2 check patterns represent the best code currently achieved. |
3 | 3 |
4 ; RUN: %p2i -i %s --args -O2 --verbose none \ | 4 ; RUN: %p2i -i %s --args -O2 --verbose none \ |
5 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ | 5 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ |
6 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - | FileCheck %s | 6 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - | FileCheck %s |
7 ; RUN: %p2i -i %s --args -Om1 --verbose none \ | 7 ; RUN: %p2i -i %s --args -Om1 --verbose none \ |
8 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ | 8 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ |
9 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - \ | 9 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - \ |
10 ; RUN: | FileCheck --check-prefix=OPTM1 %s | 10 ; RUN: | FileCheck --check-prefix=OPTM1 %s |
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31 | 31 |
32 for.end: | 32 for.end: |
33 %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] | 33 %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] |
34 ret i32 %sum.0.lcssa | 34 ret i32 %sum.0.lcssa |
35 } | 35 } |
36 | 36 |
37 ; CHECK-LABEL: simple_loop | 37 ; CHECK-LABEL: simple_loop |
38 ; CHECK: mov ecx, dword ptr [esp{{.*}}+{{.*}}{{[0-9]+}}] | 38 ; CHECK: mov ecx, dword ptr [esp{{.*}}+{{.*}}{{[0-9]+}}] |
39 ; CHECK: cmp ecx, 0 | 39 ; CHECK: cmp ecx, 0 |
40 ; CHECK-NEXT: jle {{[0-9]}} | 40 ; CHECK-NEXT: jle {{[0-9]}} |
41 ; NaCl bundle padding | |
42 ; CHECK-NEXT: nop | |
43 | 41 |
44 ; TODO: the mov from ebx to esi seems redundant here - so this may need to be | 42 ; TODO: the mov from ebx to esi seems redundant here - so this may need to be |
45 ; modified later | 43 ; modified later |
46 | 44 |
47 ; CHECK: add [[IREG:[a-z]+]], 1 | 45 ; CHECK: add [[IREG:[a-z]+]], 1 |
48 ; CHECK-NEXT: mov [[ICMPREG:[a-z]+]], [[IREG]] | 46 ; CHECK-NEXT: mov [[ICMPREG:[a-z]+]], [[IREG]] |
49 ; CHECK: cmp [[ICMPREG]], ecx | 47 ; CHECK: cmp [[ICMPREG]], ecx |
50 ; CHECK-NEXT: jl -{{[0-9]}} | 48 ; CHECK-NEXT: jl -{{[0-9]}} |
51 ; | 49 ; |
52 ; There's nothing remarkable under Om1 to test for, since Om1 generates | 50 ; There's nothing remarkable under Om1 to test for, since Om1 generates |
53 ; such atrocious code (by design). | 51 ; such atrocious code (by design). |
54 ; OPTM1-LABEL: simple_loop | 52 ; OPTM1-LABEL: simple_loop |
55 ; OPTM1: cmp {{.*}}, 0 | 53 ; OPTM1: cmp {{.*}}, 0 |
56 ; OPTM1: jg | 54 ; OPTM1: jg |
57 ; OPTM1: ret | 55 ; OPTM1: ret |
58 | 56 |
59 ; ERRORS-NOT: ICE translation error | 57 ; ERRORS-NOT: ICE translation error |
60 ; DUMP-NOT: SZ | 58 ; DUMP-NOT: SZ |
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