mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
b4912b9dcc
This is done to avoid odd test failures, like the one fixed in r171243. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171246 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.3 KiB
LLVM
63 lines
1.3 KiB
LLVM
; RUN: opt -analyze -scalar-evolution -S < %s | FileCheck %s
|
|
|
|
define i16 @test1(i8 %x) {
|
|
%A = zext i8 %x to i12
|
|
%B = sext i12 %A to i16
|
|
; CHECK: zext i8 %x to i16
|
|
ret i16 %B
|
|
}
|
|
|
|
define i8 @test2(i8 %x) {
|
|
%A = zext i8 %x to i16
|
|
%B = add i16 %A, 1025
|
|
%C = trunc i16 %B to i8
|
|
; CHECK: (1 + %x)
|
|
ret i8 %C
|
|
}
|
|
|
|
define i8 @test3(i8 %x) {
|
|
%A = zext i8 %x to i16
|
|
%B = mul i16 %A, 1027
|
|
%C = trunc i16 %B to i8
|
|
; CHECK: (3 * %x)
|
|
ret i8 %C
|
|
}
|
|
|
|
define void @test4(i32 %x, i32 %y) {
|
|
entry:
|
|
%Y = and i32 %y, 3
|
|
br label %loop
|
|
loop:
|
|
%A = phi i32 [0, %entry], [%I, %loop]
|
|
%rand1 = icmp sgt i32 %A, %Y
|
|
%Z1 = select i1 %rand1, i32 %A, i32 %Y
|
|
%rand2 = icmp ugt i32 %A, %Z1
|
|
%Z2 = select i1 %rand2, i32 %A, i32 %Z1
|
|
; CHECK: %Z2 =
|
|
; CHECK-NEXT: --> ([[EXPR:.*]]){{ +}}Exits: 20
|
|
%B = trunc i32 %Z2 to i16
|
|
%C = sext i16 %B to i30
|
|
; CHECK: %C =
|
|
; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30)
|
|
%D = sext i16 %B to i32
|
|
; CHECK: %D =
|
|
; CHECK-NEXT: ([[EXPR]])
|
|
%E = sext i16 %B to i34
|
|
; CHECK: %E =
|
|
; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
|
|
%F = zext i16 %B to i30
|
|
; CHECK: %F =
|
|
; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30
|
|
%G = zext i16 %B to i32
|
|
; CHECK: %G =
|
|
; CHECK-NEXT: ([[EXPR]])
|
|
%H = zext i16 %B to i34
|
|
; CHECK: %H =
|
|
; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
|
|
%I = add i32 %A, 1
|
|
%0 = icmp ne i32 %A, 20
|
|
br i1 %0, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|