forked from OSchip/llvm-project
26 lines
1.1 KiB
LLVM
26 lines
1.1 KiB
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13 | FileCheck %s
|
|
;
|
|
; Test that load and test results in 0 cost for the compare.
|
|
|
|
define i64 @fun0(i64* %Src, i64 %Arg) {
|
|
%Ld1 = load i64, i64* %Src
|
|
%Cmp = icmp eq i64 %Ld1, 0
|
|
%S = select i1 %Cmp, i64 %Arg, i64 %Ld1
|
|
ret i64 %S
|
|
; CHECK: Printing analysis 'Cost Model Analysis' for function 'fun0':
|
|
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %Ld1 = load i64, i64* %Src
|
|
; CHECK: Cost Model: Found an estimated cost of 0 for instruction: %Cmp = icmp eq i64 %Ld1, 0
|
|
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %S = select
|
|
}
|
|
|
|
define i32 @fun1(i32* %Src, i32 %Arg) {
|
|
%Ld1 = load i32, i32* %Src
|
|
%Cmp = icmp eq i32 %Ld1, 0
|
|
%S = select i1 %Cmp, i32 %Arg, i32 %Ld1
|
|
ret i32 %S
|
|
; CHECK: Printing analysis 'Cost Model Analysis' for function 'fun1':
|
|
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %Ld1 = load i32, i32* %Src
|
|
; CHECK: Cost Model: Found an estimated cost of 0 for instruction: %Cmp = icmp eq i32 %Ld1, 0
|
|
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %S = select
|
|
}
|