forked from OSchip/llvm-project
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; RUN: opt -scalarizer -S < %s | FileCheck %s
|
|
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-S128"
|
|
|
|
|
|
; Check that vector element 1 is scalarized correctly from a chain of
|
|
; insertelement instructions
|
|
define void @func(i32 %x) {
|
|
; CHECK-LABEL: @func(
|
|
; CHECK-NOT: phi i32 [ %x, %entry ], [ %inc.pos.y, %loop ]
|
|
; CHECK: phi i32 [ %inc, %entry ], [ %inc.pos.y, %loop ]
|
|
; CHECK: ret void
|
|
entry:
|
|
%vecinit = insertelement <2 x i32> <i32 0, i32 0>, i32 %x, i32 1
|
|
%inc = add i32 %x, 1
|
|
%0 = insertelement <2 x i32> %vecinit, i32 %inc, i32 1
|
|
br label %loop
|
|
|
|
loop:
|
|
%pos = phi <2 x i32> [ %0, %entry ], [ %new.pos.y, %loop ]
|
|
%i = phi i32 [ 0, %entry ], [ %new.i, %loop ]
|
|
%pos.y = extractelement <2 x i32> %pos, i32 1
|
|
%inc.pos.y = add i32 %pos.y, 1
|
|
%new.pos.y = insertelement <2 x i32> %pos, i32 %inc.pos.y, i32 1
|
|
%new.i = add i32 %i, 1
|
|
%cmp2 = icmp slt i32 %new.i, 1
|
|
br i1 %cmp2, label %loop, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|