forked from OSchip/llvm-project
59 lines
1.7 KiB
LLVM
59 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-codegen %vector-opt -S < %s | FileCheck %s
|
|
|
|
;#define N 1024
|
|
;float A[N];
|
|
;float B[N];
|
|
;
|
|
;void simple_vec_const(void) {
|
|
; int i;
|
|
;
|
|
; for (i = 0; i < 4; i++)
|
|
; B[i] = A[0];
|
|
;}
|
|
;int main()
|
|
;{
|
|
; simple_vec_const();
|
|
; return A[42];
|
|
;}
|
|
|
|
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"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
@A = common global [1024 x float] zeroinitializer, align 16
|
|
@B = common global [1024 x float] zeroinitializer, align 16
|
|
|
|
define void @simple_vec_const() nounwind {
|
|
; <label>:0
|
|
br label %1
|
|
|
|
; <label>:1 ; preds = %4, %0
|
|
%indvar = phi i64 [ %indvar.next, %4 ], [ 0, %0 ]
|
|
%scevgep = getelementptr [1024 x float]* @B, i64 0, i64 %indvar
|
|
%exitcond = icmp ne i64 %indvar, 4
|
|
br i1 %exitcond, label %2, label %5
|
|
|
|
; <label>:2 ; preds = %1
|
|
%3 = load float* getelementptr inbounds ([1024 x float]* @A, i64 0, i64 0), align 16
|
|
store float %3, float* %scevgep, align 4
|
|
br label %4
|
|
|
|
; <label>:4 ; preds = %2
|
|
%indvar.next = add i64 %indvar, 1
|
|
br label %1
|
|
|
|
; <label>:5 ; preds = %1
|
|
ret void
|
|
}
|
|
|
|
define i32 @main() nounwind {
|
|
call void @simple_vec_const()
|
|
%1 = load float* getelementptr inbounds ([1024 x float]* @A, i64 0, i64 42), align 8
|
|
%2 = fptosi float %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
|
|
; CHECK: load <1 x float>* bitcast ([1024 x float]* @A to <1 x float>*)
|
|
; CHECK: shufflevector <1 x float> {{.*}}, <1 x float> {{.*}} <4 x i32> zeroinitializer
|
|
|