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1 ; This tests some of the subtleties of Phi lowering. In particular, | 1 ; This tests some of the subtleties of Phi lowering. In particular, |
2 ; it tests that it does the right thing when it tries to enable | 2 ; it tests that it does the right thing when it tries to enable |
3 ; compare/branch fusing. | 3 ; compare/branch fusing. |
4 | 4 |
5 ; RUN: %llvm2ice -O2 --verbose none --no-phi-edge-split %s \ | 5 ; TODO(kschimpf) Find out why lc2i must be used. |
| 6 ; RUN: %lc2i -i %s --args -O2 --verbose none --no-phi-edge-split \ |
6 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ | 7 ; RUN: | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \ |
7 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - | FileCheck %s | 8 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - | FileCheck %s |
8 ; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s | 9 ; RUN: %lc2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s |
9 ; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s | 10 ; RUN: %lc2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s |
10 ; RUN: %llvm2iceinsts --pnacl %s | %szdiff %s \ | |
11 ; RUN: | FileCheck --check-prefix=DUMP %s | |
12 | 11 |
13 define internal i32 @testPhi1(i32 %arg) { | 12 define internal i32 @testPhi1(i32 %arg) { |
14 entry: | 13 entry: |
15 %cmp1 = icmp sgt i32 %arg, 0 | 14 %cmp1 = icmp sgt i32 %arg, 0 |
16 br i1 %cmp1, label %next, label %target | 15 br i1 %cmp1, label %next, label %target |
17 next: | 16 next: |
18 br label %target | 17 br label %target |
19 target: | 18 target: |
20 %merge = phi i1 [ %cmp1, %entry ], [ false, %next ] | 19 %merge = phi i1 [ %cmp1, %entry ], [ false, %next ] |
21 %result = zext i1 %merge to i32 | 20 %result = zext i1 %merge to i32 |
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95 | 94 |
96 ; CHECK-LABEL: testPhi3 | 95 ; CHECK-LABEL: testPhi3 |
97 ; CHECK: push [[EBX:.*]] | 96 ; CHECK: push [[EBX:.*]] |
98 ; CHECK: mov {{.*}}, dword ptr [esp | 97 ; CHECK: mov {{.*}}, dword ptr [esp |
99 ; CHECK: mov | 98 ; CHECK: mov |
100 ; CHECK: mov {{.*}}[[ADDR:.*1000]] | 99 ; CHECK: mov {{.*}}[[ADDR:.*1000]] |
101 ; CHECK: cmp {{.*}}, 0 | 100 ; CHECK: cmp {{.*}}, 0 |
102 ; CHECK: jne | 101 ; CHECK: jne |
103 ; CHECK: mov {{.*}}[[ADDR]] | 102 ; CHECK: mov {{.*}}[[ADDR]] |
104 ; CHECK: pop [[EBX]] | 103 ; CHECK: pop [[EBX]] |
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