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Issue 1687553002: Change all ARM calls into indirect calls. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Fix nits. Created 4 years, 10 months ago
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1 ; This tests the optimization where producers and consumers of i1 (bool) 1 ; This tests the optimization where producers and consumers of i1 (bool)
2 ; variables are combined to implicitly use flags instead of explicitly using 2 ; variables are combined to implicitly use flags instead of explicitly using
3 ; stack or register variables. 3 ; stack or register variables.
4 4
5 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 \ 5 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 \
6 ; RUN: -allow-externally-defined-symbols | FileCheck %s 6 ; RUN: -allow-externally-defined-symbols | FileCheck %s
7 7
8 ; RUN: %if --need=allow_dump --need=target_ARM32 --command %p2i --filetype=asm \ 8 ; RUN: %if --need=allow_dump --need=target_ARM32 --command %p2i --filetype=asm \
9 ; RUN: --target arm32 -i %s --args -O2 --skip-unimplemented \ 9 ; RUN: --target arm32 -i %s --args -O2 --skip-unimplemented \
10 ; RUN: -allow-externally-defined-symbols \ 10 ; RUN: -allow-externally-defined-symbols \
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48 ret i32 2 48 ret i32 2
49 } 49 }
50 50
51 ; CHECK-LABEL: fold_cmp_br_intervening_insts 51 ; CHECK-LABEL: fold_cmp_br_intervening_insts
52 ; CHECK-NOT: cmp 52 ; CHECK-NOT: cmp
53 ; CHECK: call 53 ; CHECK: call
54 ; CHECK: cmp 54 ; CHECK: cmp
55 ; CHECK: jge 55 ; CHECK: jge
56 ; ARM32-LABEL: fold_cmp_br_intervening_insts 56 ; ARM32-LABEL: fold_cmp_br_intervening_insts
57 ; ARM32: push {{[{].*[}]}} 57 ; ARM32: push {{[{].*[}]}}
58 ; ARM32: bl use_value 58 ; ARM32: movw [[CALL:r[0-9]]], #:lower16:use_value
59 ; ARM32: movt [[CALL]], #:upper16:use_value
60 ; ARM32: blx [[CALL]]
59 ; ARM32: cmp {{r[0-9]+}}, {{r[0-9]+}} 61 ; ARM32: cmp {{r[0-9]+}}, {{r[0-9]+}}
60 ; ARM32: bge 62 ; ARM32: bge
61 ; ARM32: mov r0, #1 63 ; ARM32: mov r0, #1
62 ; ARM32: bx lr 64 ; ARM32: bx lr
63 ; ARM32: mov r0, #2 65 ; ARM32: mov r0, #2
64 ; ARM32: bx lr 66 ; ARM32: bx lr
65 67
66 68
67 ; Cmp/branch non-folding because of live-out. 69 ; Cmp/branch non-folding because of live-out.
68 define internal i32 @no_fold_cmp_br_liveout(i32 %arg1, i32 %arg2) { 70 define internal i32 @no_fold_cmp_br_liveout(i32 %arg1, i32 %arg2) {
(...skipping 114 matching lines...) Expand 10 before | Expand all | Expand 10 after
183 %result = select i1 %cmp1, i32 %arg1, i32 %arg2 185 %result = select i1 %cmp1, i32 %arg1, i32 %arg2
184 ret i32 %result 186 ret i32 %result
185 } 187 }
186 188
187 ; CHECK-LABEL: fold_cmp_select_intervening_insts 189 ; CHECK-LABEL: fold_cmp_select_intervening_insts
188 ; CHECK-NOT: cmp 190 ; CHECK-NOT: cmp
189 ; CHECK: call 191 ; CHECK: call
190 ; CHECK: cmp 192 ; CHECK: cmp
191 ; CHECK: cmovl 193 ; CHECK: cmovl
192 ; ARM32-LABEL: fold_cmp_select_intervening_insts 194 ; ARM32-LABEL: fold_cmp_select_intervening_insts
193 ; ARM32: bl use_value 195 ; ARM32: movw [[CALL:r[0-9]]], #:lower16:use_value
196 ; ARM32: movt [[CALL]], #:upper16:use_value
197 ; ARM32: blx [[CALL]]
194 ; ARM32: cmp r{{[0-9]+}}, r{{[0-9]+}} 198 ; ARM32: cmp r{{[0-9]+}}, r{{[0-9]+}}
195 ; ARM32: movlt 199 ; ARM32: movlt
196 ; ARM32: bx lr 200 ; ARM32: bx lr
197 201
198 ; Cmp/multi-select folding. 202 ; Cmp/multi-select folding.
199 define internal i32 @fold_cmp_select_multi(i32 %arg1, i32 %arg2) { 203 define internal i32 @fold_cmp_select_multi(i32 %arg1, i32 %arg2) {
200 entry: 204 entry:
201 %cmp1 = icmp slt i32 %arg1, %arg2 205 %cmp1 = icmp slt i32 %arg1, %arg2
202 %a = select i1 %cmp1, i32 %arg1, i32 %arg2 206 %a = select i1 %cmp1, i32 %arg1, i32 %arg2
203 %b = select i1 %cmp1, i32 %arg2, i32 %arg1 207 %b = select i1 %cmp1, i32 %arg2, i32 %arg1
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420 ; ARM32: tst r0, #1 424 ; ARM32: tst r0, #1
421 ; ARM32: bne 425 ; ARM32: bne
422 ; ARM32: tst r1, #1 426 ; ARM32: tst r1, #1
423 ; ARM32: beq 427 ; ARM32: beq
424 ; ARM32: tst r2, #1 428 ; ARM32: tst r2, #1
425 ; ARM32: bne {{.*}}target_true 429 ; ARM32: bne {{.*}}target_true
426 ; ARM32: tst r3, #1 430 ; ARM32: tst r3, #1
427 ; ARM32: beq {{.*}}target_false 431 ; ARM32: beq {{.*}}target_false
428 ; ARM32: tst r4, #1 432 ; ARM32: tst r4, #1
429 ; ARM32: beq {{.*}}target_false 433 ; ARM32: beq {{.*}}target_false
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