-; RUN: opt -analyze -scalar-evolution %s -S | FileCheck %s
+; RUN: opt -analyze -scalar-evolution -S < %s | FileCheck %s
define i16 @test1(i8 %x) {
%A = zext i8 %x to i12
ret i8 %C
}
-define void @test4(i32 %x) {
+define void @test4(i32 %x, i32 %y) {
entry:
- %0 = icmp sge i32 %x, 0
- br i1 %0, label %loop, label %exit
+ %Y = and i32 %y, 3
+ br label %loop
loop:
%A = phi i32 [0, %entry], [%I, %loop]
- %rand = icmp sgt i32 %A, 10
- %Z = select i1 %rand, i32 %A, i32 10
- %B = trunc i32 %Z to i16
+ %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 (10 smax {0,+,1}<%loop>) to i30)
+; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30)
%D = sext i16 %B to i32
; CHECK: %D =
-; CHECK-NEXT: (10 smax {0,+,1}<%loop>)
+; CHECK-NEXT: ([[EXPR]])
%E = sext i16 %B to i34
; CHECK: %E =
-; CHECK-NEXT: (zext i32 (10 smax {0,+,1}<%loop>) to i34)
+; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
%F = zext i16 %B to i30
; CHECK: %F =
-; CHECK-NEXT: (trunc i32 (10 smax {0,+,1}<%loop>) to i30
+; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30
%G = zext i16 %B to i32
; CHECK: %G =
-; CHECK-NEXT: (10 smax {0,+,1}<%loop>)
+; CHECK-NEXT: ([[EXPR]])
%H = zext i16 %B to i34
; CHECK: %H =
-; CHECK-NEXT: (zext i32 (10 smax {0,+,1}<%loop>) to i34)
+; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
%I = add i32 %A, 1
- %1 = icmp ne i32 %A, 20
- br i1 %1, label %loop, label %exit
+ %0 = icmp ne i32 %A, 20
+ br i1 %0, label %loop, label %exit
exit:
ret void
-}
\ No newline at end of file
+}