maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/clang/test/CodeGen/loop-unroll.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

59 lines
2.3 KiB
C
Raw Normal View History

[NewPassManager] Add tuning option: LoopUnrolling [clang-change] Summary: Use CodeGenOpts's setting for loop unrolling. [to be coupled with D61618] Reviewers: chandlerc Subscribers: jlebar, dmgreen, cfe-commits, llvm-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D61620 llvm-svn: 361653
2019-05-25 01:40:52 +08:00
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -funroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-UNROLL
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -fno-unroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-UNROLL
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -O1 -funroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-UNROLL
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -O1 -fno-unroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-UNROLL
Mark tests as x86. llvm-svn: 361674
2019-05-25 05:49:27 +08:00
// REQUIRES: x86-registered-target
[NewPassManager] Add tuning option: LoopUnrolling [clang-change] Summary: Use CodeGenOpts's setting for loop unrolling. [to be coupled with D61618] Reviewers: chandlerc Subscribers: jlebar, dmgreen, cfe-commits, llvm-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D61620 llvm-svn: 361653
2019-05-25 01:40:52 +08:00
// CHECK-ENABLE-UNROLL-LABEL: @for_test()
// CHECK-ENABLE-UNROLL: br label %[[FORBODY:[a-z0-9_\.]+]]
// CHECK-ENABLE-UNROLL: [[FORBODY]]:
// CHECK-ENABLE-UNROLL: store
// CHECK-ENABLE-UNROLL: store
// CHECK-ENABLE-UNROLL: br i1 %[[EXITCOND:[a-z0-9_\.]+]], label %[[FORBODY5:[a-z0-9_\.]+]], label %[[FORBODY]]
// CHECK-ENABLE-UNROLL: [[FORBODY5]]:
// CHECK-ENABLE-UNROLL: fmul
// CHECK-ENABLE-UNROLL: fadd
// CHECK-ENABLE-UNROLL: store
// CHECK-ENABLE-UNROLL: fmul
// CHECK-ENABLE-UNROLL: fadd
// CHECK-ENABLE-UNROLL: store
// CHECK-ENABLE-UNROLL: fmul
// CHECK-ENABLE-UNROLL: fadd
// CHECK-ENABLE-UNROLL: store
// CHECK-DISABLE-UNROLL-LABEL: @for_test()
// CHECK-DISABLE-UNROLL: br label %[[FORBODY:[a-z0-9_\.]+]]
// CHECK-DISABLE-UNROLL: [[FORBODY]]:
// CHECK-DISABLE-UNROLL: store
// CHECK-DISABLE-UNROLL-NOT: store
// CHECK-DISABLE-UNROLL: br i1 %[[EXITCOND:[a-z0-9_\.]+]], label %[[FORBODY5:[a-z0-9_\.]+]], label %[[FORBODY]]
// CHECK-DISABLE-UNROLL: [[FORBODY5]]:
// CHECK-DISABLE-UNROLL: fmul
// CHECK-DISABLE-UNROLL: fadd
// CHECK-DISABLE-UNROLL: store
// CHECK-DISABLE-UNROLL: fmul
// CHECK-DISABLE-UNROLL: fadd
// CHECK-DISABLE-UNROLL: store
// CHECK-DISABLE-UNROLL-NOT: fmul
// CHECK-DISABLE-UNROLL-NOT: fadd
// CHECK-DISABLE-UNROLL-NOT: store
[test] Avoid loop-unroll.c test getting confused by fadd in git revision Differential Revision: https://reviews.llvm.org/D73162
2020-01-23 17:27:16 +08:00
// Limit scope of checking so this does not match "fadd" within git version string
// CHECK-DISABLE-UNROLL: !0 =
[NewPassManager] Add tuning option: LoopUnrolling [clang-change] Summary: Use CodeGenOpts's setting for loop unrolling. [to be coupled with D61618] Reviewers: chandlerc Subscribers: jlebar, dmgreen, cfe-commits, llvm-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D61620 llvm-svn: 361653
2019-05-25 01:40:52 +08:00
int printf(const char * restrict format, ...);
void for_test() {
double A[1000], B[1000];
int L = 500;
for (int i = 0; i < L; i++) {
A[i] = i;
}
for (int i = 0; i < L; i++) {
B[i] = A[i]*5;
B[i]++;
A[i] *= 7;
A[i]++;
}
printf("%lf %lf\n", A[0], B[0]);
}