31 lines
894 B
LLVM
31 lines
894 B
LLVM
; RUN: llc -march=hexagon -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
|
|
|
|
; A test that the Phi rewrite logic is correct.
|
|
|
|
; CHECK: [[REG0:(r[0-9]+)]] = #0
|
|
; CHECK: loop0(.LBB0_[[LOOP:.]],
|
|
; CHECK: .LBB0_[[LOOP]]:
|
|
; CHECK: memh([[REG0]]+#0) = #0
|
|
|
|
define void @f0(i32 %a0) #0 {
|
|
b0:
|
|
%v0 = add i32 %a0, -4
|
|
br label %b1
|
|
|
|
b1: ; preds = %b1, %b0
|
|
%v1 = phi i16* [ %v4, %b1 ], [ null, %b0 ]
|
|
%v2 = phi i32 [ %v5, %b1 ], [ 0, %b0 ]
|
|
%v3 = getelementptr inbounds i16, i16* %v1, i32 1
|
|
store i16 0, i16* %v1, align 2
|
|
%v4 = getelementptr inbounds i16, i16* %v1, i32 2
|
|
store i16 0, i16* %v3, align 2
|
|
%v5 = add nsw i32 %v2, 8
|
|
%v6 = icmp slt i32 %v5, %v0
|
|
br i1 %v6, label %b1, label %b2
|
|
|
|
b2: ; preds = %b1
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind "target-cpu"="hexagonv55" }
|