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llvm-project/llvm/test/CodeGen/SystemZ/strlen-01.ll

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[SystemZ] Use SRST to implement strlen and strnlen It would also make sense to use it for memchr; I'm working on that now. llvm-svn: 188547
2013-08-16 19:41:43 +08:00
; Test strlen using SRST, i64 version.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i64 @strlen(i8 *%src)
declare i64 @strnlen(i8 *%src, i64 %len)
; Test strlen with its proper i64 prototype. It would also be valid for
; the uses of %r3 and REG after the LGR to be swapped.
define i64 @f1(i32 %dummy, i8 *%src) {
; CHECK-LABEL: f1:
; CHECK-DAG: lhi %r0, 0
; CHECK-DAG: lghi %r2, 0
; CHECK-DAG: lgr [[REG:%r[145]]], %r3
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK-NEXT: srst %r2, [[REG]]
; CHECK-NEXT: jo [[LABEL]]
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK-NEXT: %bb.{{[0-9]+}}
[SystemZ] Use SRST to implement strlen and strnlen It would also make sense to use it for memchr; I'm working on that now. llvm-svn: 188547
2013-08-16 19:41:43 +08:00
; CHECK-NEXT: sgr %r2, %r3
; CHECK: br %r14
%res = call i64 @strlen(i8 *%src)
ret i64 %res
}
; Test strnlen with its proper i64 prototype.
define i64 @f2(i64 %len, i8 *%src) {
; CHECK-LABEL: f2:
; CHECK-DAG: agr %r2, %r3
; CHECK-DAG: lhi %r0, 0
; CHECK-DAG: lgr [[REG:%r[145]]], %r3
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK-NEXT: srst %r2, [[REG]]
; CHECK-NEXT: jo [[LABEL]]
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK-NEXT: %bb.{{[0-9]+}}
[SystemZ] Use SRST to implement strlen and strnlen It would also make sense to use it for memchr; I'm working on that now. llvm-svn: 188547
2013-08-16 19:41:43 +08:00
; CHECK-NEXT: sgr %r2, %r3
; CHECK: br %r14
%res = call i64 @strnlen(i8 *%src, i64 %len)
ret i64 %res
}