llvm-capstone/polly/test/DeadCodeElimination/chained_iterations_2.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
2015-10-06 15:36:44 +00:00

66 lines
2.4 KiB
LLVM

; RUN: opt -S %loadPolly -basicaa -polly-dependences-analysis-type=value-based -polly-ast -analyze < %s | FileCheck %s
; RUN: opt -S %loadPolly -basicaa -polly-dependences-analysis-type=value-based -polly-dce -polly-ast -analyze < %s | FileCheck %s -check-prefix=CHECK-DCE
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
;
; for(i = 0; i < 200; i++ )
; A[i] = 2;
;
; for (i = 0; i < 200; i++ )
; B[i] = A[i];
;
; for (i = 0; i < 200; i++ )
; B[i] = A[i] = 5;
define void @main() nounwind uwtable {
entry:
%A = alloca [200 x i32], align 16
%B = alloca [200 x i32], align 16
br label %for.body.1
for.body.1:
%indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %for.body.1 ]
%arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
store i32 2, i32* %arrayidx.1, align 4
%indvar.next.1 = add i64 %indvar.1, 1
%exitcond.1 = icmp ne i64 %indvar.next.1, 200
br i1 %exitcond.1, label %for.body.1, label %exit.1
exit.1:
br label %for.body.2
for.body.2:
%indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %for.body.2 ]
%arrayidx.2.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
%val = load i32, i32* %arrayidx.2.a, align 4
%arrayidx.2.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.2
store i32 %val, i32* %arrayidx.2.b, align 4
%indvar.next.2 = add i64 %indvar.2, 1
%exitcond.2 = icmp ne i64 %indvar.next.2, 200
br i1 %exitcond.2, label %for.body.2, label %exit.2
exit.2:
br label %for.body.3
for.body.3:
%indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %for.body.3 ]
%arrayidx.3.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
%arrayidx.3.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.3
store i32 5, i32* %arrayidx.3.a, align 4
store i32 5, i32* %arrayidx.3.b, align 4
%indvar.next.3 = add i64 %indvar.3, 1
%exitcond.3 = icmp ne i64 %indvar.next.3, 200
br i1 %exitcond.3, label %for.body.3 , label %exit.3
exit.3:
ret void
}
; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_1(c0);
; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_2(c0);
; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_3(c0);
; CHECK-DCE: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK-DCE: Stmt_for_body_3(c0);