mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-01-31 12:41:49 +01:00
[InstCombine] add icmp tests with extra uses; NFC
llvm-svn: 371979
This commit is contained in:
parent
f3b2d06155
commit
57ca960fcd
@ -728,6 +728,23 @@ define i1 @test37(i32 %x, i32 %y, i32 %z) {
|
||||
ret i1 %c
|
||||
}
|
||||
|
||||
define i1 @test37_extra_uses(i32 %x, i32 %y, i32 %z) {
|
||||
; CHECK-LABEL: @test37_extra_uses(
|
||||
; CHECK-NEXT: [[LHS:%.*]] = sub nsw i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @foo(i32 [[LHS]])
|
||||
; CHECK-NEXT: [[RHS:%.*]] = sub nsw i32 [[X]], [[Z:%.*]]
|
||||
; CHECK-NEXT: call void @foo(i32 [[RHS]])
|
||||
; CHECK-NEXT: [[C:%.*]] = icmp sgt i32 [[LHS]], [[RHS]]
|
||||
; CHECK-NEXT: ret i1 [[C]]
|
||||
;
|
||||
%lhs = sub nsw i32 %x, %y
|
||||
call void @foo(i32 %lhs)
|
||||
%rhs = sub nsw i32 %x, %z
|
||||
call void @foo(i32 %rhs)
|
||||
%c = icmp sgt i32 %lhs, %rhs
|
||||
ret i1 %c
|
||||
}
|
||||
|
||||
; X - Y > X - Z -> Z > Y if there is no overflow.
|
||||
define i1 @test38(i32 %x, i32 %y, i32 %z) {
|
||||
; CHECK-LABEL: @test38(
|
||||
@ -740,6 +757,23 @@ define i1 @test38(i32 %x, i32 %y, i32 %z) {
|
||||
ret i1 %c
|
||||
}
|
||||
|
||||
define i1 @test38_extra_uses(i32 %x, i32 %y, i32 %z) {
|
||||
; CHECK-LABEL: @test38_extra_uses(
|
||||
; CHECK-NEXT: [[LHS:%.*]] = sub nuw i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @foo(i32 [[LHS]])
|
||||
; CHECK-NEXT: [[RHS:%.*]] = sub nuw i32 [[X]], [[Z:%.*]]
|
||||
; CHECK-NEXT: call void @foo(i32 [[RHS]])
|
||||
; CHECK-NEXT: [[C:%.*]] = icmp ugt i32 [[LHS]], [[RHS]]
|
||||
; CHECK-NEXT: ret i1 [[C]]
|
||||
;
|
||||
%lhs = sub nuw i32 %x, %y
|
||||
call void @foo(i32 %lhs)
|
||||
%rhs = sub nuw i32 %x, %z
|
||||
call void @foo(i32 %rhs)
|
||||
%c = icmp ugt i32 %lhs, %rhs
|
||||
ret i1 %c
|
||||
}
|
||||
|
||||
; PR9343 #1
|
||||
define i1 @test39(i32 %X, i32 %Y) {
|
||||
; CHECK-LABEL: @test39(
|
||||
|
Loading…
x
Reference in New Issue
Block a user