mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 12:43:36 +01:00
103 lines
3.2 KiB
LLVM
103 lines
3.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
; Passing select(cond, null, v) as nonnull should be optimized to passing v
|
|
|
|
define nonnull i32* @pr48975(i32** %.0) {
|
|
; CHECK-LABEL: @pr48975(
|
|
; CHECK-NEXT: [[DOT1:%.*]] = load i32*, i32** [[DOT0:%.*]], align 8
|
|
; CHECK-NEXT: [[DOT2:%.*]] = icmp eq i32* [[DOT1]], null
|
|
; CHECK-NEXT: [[DOT3:%.*]] = bitcast i32** [[DOT0]] to i32*
|
|
; CHECK-NEXT: [[DOT4:%.*]] = select i1 [[DOT2]], i32* null, i32* [[DOT3]]
|
|
; CHECK-NEXT: ret i32* [[DOT4]]
|
|
;
|
|
%.1 = load i32*, i32** %.0, align 8
|
|
%.2 = icmp eq i32* %.1, null
|
|
%.3 = bitcast i32** %.0 to i32*
|
|
%.4 = select i1 %.2, i32* null, i32* %.3
|
|
ret i32* %.4
|
|
}
|
|
|
|
define nonnull i32* @nonnull_ret(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_ret(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* [[P:%.*]], i32* null
|
|
; CHECK-NEXT: ret i32* [[RES]]
|
|
;
|
|
%res = select i1 %cond, i32* %p, i32* null
|
|
ret i32* %res
|
|
}
|
|
|
|
define nonnull i32* @nonnull_ret2(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_ret2(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* null, i32* [[P:%.*]]
|
|
; CHECK-NEXT: ret i32* [[RES]]
|
|
;
|
|
%res = select i1 %cond, i32* null, i32* %p
|
|
ret i32* %res
|
|
}
|
|
|
|
define nonnull noundef i32* @nonnull_noundef_ret(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_noundef_ret(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* [[P:%.*]], i32* null
|
|
; CHECK-NEXT: ret i32* [[RES]]
|
|
;
|
|
%res = select i1 %cond, i32* %p, i32* null
|
|
ret i32* %res
|
|
}
|
|
|
|
define nonnull noundef i32* @nonnull_noundef_ret2(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_noundef_ret2(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* null, i32* [[P:%.*]]
|
|
; CHECK-NEXT: ret i32* [[RES]]
|
|
;
|
|
%res = select i1 %cond, i32* null, i32* %p
|
|
ret i32* %res
|
|
}
|
|
|
|
|
|
define void @nonnull_call(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_call(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* [[P:%.*]], i32* null
|
|
; CHECK-NEXT: call void @f(i32* nonnull [[RES]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%res = select i1 %cond, i32* %p, i32* null
|
|
call void @f(i32* nonnull %res)
|
|
ret void
|
|
}
|
|
|
|
define void @nonnull_call2(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_call2(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* null, i32* [[P:%.*]]
|
|
; CHECK-NEXT: call void @f(i32* nonnull [[RES]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%res = select i1 %cond, i32* null, i32* %p
|
|
call void @f(i32* nonnull %res)
|
|
ret void
|
|
}
|
|
|
|
define void @nonnull_noundef_call(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_noundef_call(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* [[P:%.*]], i32* null
|
|
; CHECK-NEXT: call void @f(i32* noundef nonnull [[RES]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%res = select i1 %cond, i32* %p, i32* null
|
|
call void @f(i32* nonnull noundef %res)
|
|
ret void
|
|
}
|
|
|
|
define void @nonnull_noundef_call2(i1 %cond, i32* %p) {
|
|
; CHECK-LABEL: @nonnull_noundef_call2(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND:%.*]], i32* null, i32* [[P:%.*]]
|
|
; CHECK-NEXT: call void @f(i32* noundef nonnull [[RES]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%res = select i1 %cond, i32* null, i32* %p
|
|
call void @f(i32* nonnull noundef %res)
|
|
ret void
|
|
}
|
|
|
|
declare void @f(i32*)
|