You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
2.4 KiB
109 lines
2.4 KiB
; RUN: opt < %s -indvars -S | FileCheck %s
|
|
|
|
define i32 @test.signed.add.0(i32* %array, i32 %length, i32 %init) {
|
|
; CHECK-LABEL: @test.signed.add.0
|
|
entry:
|
|
%upper = icmp slt i32 %init, %length
|
|
br i1 %upper, label %loop, label %exit
|
|
|
|
loop:
|
|
; CHECK-LABEL: loop
|
|
%civ = phi i32 [ %init, %entry ], [ %civ.inc, %latch ]
|
|
%civ.inc = add i32 %civ, 1
|
|
; CHECK: %civ.inc = add nsw i32 %civ, 1
|
|
%cmp = icmp slt i32 %civ.inc, %length
|
|
br i1 %cmp, label %latch, label %break
|
|
|
|
latch:
|
|
store i32 0, i32* %array
|
|
%check = icmp slt i32 %civ.inc, %length
|
|
br i1 %check, label %loop, label %break
|
|
|
|
break:
|
|
ret i32 %civ.inc
|
|
|
|
exit:
|
|
ret i32 42
|
|
}
|
|
|
|
define i32 @test.signed.add.1(i32* %array, i32 %length, i32 %init) {
|
|
; CHECK-LABEL: @test.signed.add.1
|
|
entry:
|
|
%upper = icmp sle i32 %init, %length
|
|
br i1 %upper, label %loop, label %exit
|
|
|
|
loop:
|
|
; CHECK-LABEL: loop
|
|
%civ = phi i32 [ %init, %entry ], [ %civ.inc, %latch ]
|
|
%civ.inc = add i32 %civ, 1
|
|
; CHECK: %civ.inc = add i32 %civ, 1
|
|
%cmp = icmp slt i32 %civ.inc, %length
|
|
br i1 %cmp, label %latch, label %break
|
|
|
|
latch:
|
|
store i32 0, i32* %array
|
|
%check = icmp slt i32 %civ.inc, %length
|
|
br i1 %check, label %loop, label %break
|
|
|
|
break:
|
|
ret i32 %civ.inc
|
|
|
|
exit:
|
|
ret i32 42
|
|
}
|
|
|
|
define i32 @test.unsigned.add.0(i32* %array, i32 %length, i32 %init) {
|
|
; CHECK-LABEL: @test.unsigned.add.0
|
|
entry:
|
|
%upper = icmp ult i32 %init, %length
|
|
br i1 %upper, label %loop, label %exit
|
|
|
|
loop:
|
|
; CHECK-LABEL: loop
|
|
%civ = phi i32 [ %init, %entry ], [ %civ.inc, %latch ]
|
|
%civ.inc = add i32 %civ, 1
|
|
; CHECK: %civ.inc = add nuw i32 %civ, 1
|
|
%cmp = icmp slt i32 %civ.inc, %length
|
|
br i1 %cmp, label %latch, label %break
|
|
|
|
latch:
|
|
store i32 0, i32* %array
|
|
%check = icmp ult i32 %civ.inc, %length
|
|
br i1 %check, label %loop, label %break
|
|
|
|
break:
|
|
ret i32 %civ.inc
|
|
|
|
exit:
|
|
ret i32 42
|
|
}
|
|
|
|
define i32 @test.unsigned.add.1(i32* %array, i32 %length, i32 %init) {
|
|
; CHECK-LABEL: @test.unsigned.add.1
|
|
entry:
|
|
%upper = icmp ule i32 %init, %length
|
|
br i1 %upper, label %loop, label %exit
|
|
|
|
loop:
|
|
; CHECK-LABEL: loop
|
|
%civ = phi i32 [ %init, %entry ], [ %civ.inc, %latch ]
|
|
%civ.inc = add i32 %civ, 1
|
|
; CHECK: %civ.inc = add i32 %civ, 1
|
|
%cmp = icmp slt i32 %civ.inc, %length
|
|
br i1 %cmp, label %latch, label %break
|
|
|
|
latch:
|
|
store i32 0, i32* %array
|
|
%check = icmp ult i32 %civ.inc, %length
|
|
br i1 %check, label %loop, label %break
|
|
|
|
break:
|
|
ret i32 %civ.inc
|
|
|
|
exit:
|
|
ret i32 42
|
|
}
|
|
|
|
!0 = !{i32 0, i32 2}
|
|
!1 = !{i32 0, i32 42}
|