mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-28 19:31:58 +00:00
78 lines
3.2 KiB
LLVM
78 lines
3.2 KiB
LLVM
|
; Test the static branch probability heuristics for error-reporting functions.
|
||
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] }
|
||
|
|
%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
|
||
|
|
|
||
|
|
@stdout = external global %struct._IO_FILE*
|
||
|
|
@stderr = external global %struct._IO_FILE*
|
||
|
|
@.str = private unnamed_addr constant [13 x i8] c"an error: %d\00", align 1
|
||
|
|
@.str1 = private unnamed_addr constant [9 x i8] c"an error\00", align 1
|
||
|
|
|
||
|
|
define i32 @test1(i32 %a) #0 {
|
||
|
|
; CHECK-LABEL: @test1
|
||
|
|
entry:
|
||
|
|
%cmp = icmp sgt i32 %a, 8
|
||
|
|
br i1 %cmp, label %if.then, label %return
|
||
|
|
|
||
|
|
if.then: ; preds = %entry
|
||
|
|
%0 = load %struct._IO_FILE** @stderr, align 8
|
||
|
|
%call = tail call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf(%struct._IO_FILE* %0, i8* getelementptr inbounds ([13 x i8]* @.str, i64 0, i64 0), i32 %a) #1
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
; CHECK: %call = tail call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf(%struct._IO_FILE* %0, i8* getelementptr inbounds ([13 x i8]* @.str, i64 0, i64 0), i32 %a) #[[AT1:[0-9]+]]
|
||
|
|
|
||
|
|
return: ; preds = %entry, %if.then
|
||
|
|
%retval.0 = phi i32 [ 1, %if.then ], [ 0, %entry ]
|
||
|
|
ret i32 %retval.0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i32 @fprintf(%struct._IO_FILE* nocapture, i8* nocapture readonly, ...) #1
|
||
|
|
|
||
|
|
define i32 @test2(i32 %a) #0 {
|
||
|
|
; CHECK-LABEL: @test2
|
||
|
|
entry:
|
||
|
|
%cmp = icmp sgt i32 %a, 8
|
||
|
|
br i1 %cmp, label %if.then, label %return
|
||
|
|
|
||
|
|
if.then: ; preds = %entry
|
||
|
|
%0 = load %struct._IO_FILE** @stderr, align 8
|
||
|
|
%1 = tail call i64 @fwrite(i8* getelementptr inbounds ([9 x i8]* @.str1, i64 0, i64 0), i64 8, i64 1, %struct._IO_FILE* %0)
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
; CHECK: tail call i64 @fwrite(i8* getelementptr inbounds ([9 x i8]* @.str1, i64 0, i64 0), i64 8, i64 1, %struct._IO_FILE* %0) #[[AT2:[0-9]+]]
|
||
|
|
|
||
|
|
return: ; preds = %entry, %if.then
|
||
|
|
%retval.0 = phi i32 [ 1, %if.then ], [ 0, %entry ]
|
||
|
|
ret i32 %retval.0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i64 @fwrite(i8* nocapture, i64, i64, %struct._IO_FILE* nocapture) #1
|
||
|
|
|
||
|
|
define i32 @test3(i32 %a) #0 {
|
||
|
|
; CHECK-LABEL: @test3
|
||
|
|
entry:
|
||
|
|
%cmp = icmp sgt i32 %a, 8
|
||
|
|
br i1 %cmp, label %if.then, label %return
|
||
|
|
|
||
|
|
if.then: ; preds = %entry
|
||
|
|
%0 = load %struct._IO_FILE** @stdout, align 8
|
||
|
|
%1 = tail call i64 @fwrite(i8* getelementptr inbounds ([9 x i8]* @.str1, i64 0, i64 0), i64 8, i64 1, %struct._IO_FILE* %0)
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
; CHECK-NOT: tail call i64 @fwrite(i8* getelementptr inbounds ([9 x i8]* @.str1, i64 0, i64 0), i64 8, i64 1, %struct._IO_FILE* %0) #[[AT2]]
|
||
|
|
|
||
|
|
return: ; preds = %entry, %if.then
|
||
|
|
%retval.0 = phi i32 [ 1, %if.then ], [ 0, %entry ]
|
||
|
|
ret i32 %retval.0
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind uwtable }
|
||
|
|
attributes #1 = { nounwind }
|
||
|
|
|
||
|
|
; CHECK: attributes #[[AT1]] = { cold nounwind }
|
||
|
|
; CHECK: attributes #[[AT2]] = { cold }
|
||
|
|
|