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llvm-project/llvm/test/CodeGen/PowerPC/zero-not-run.ll

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PPCDAGToDAGISel::isRunOfOnes should return false on zero This fixes a bug (found by csmith) at -O0 where we attempt to create a RLWIMI with an out-of-range operand. Most uses of the isRunOfOnes function are guarded by a condition that the value is not zero. This was not true in two places, and in both places a zero input would result in an out-of-rage MB value (= 32). To fix this, isRunOfOnes returns false on a zero input (and I've remove one now-redundant guard). llvm-svn: 186101
2013-07-12 00:31:51 +08:00
; RUN: llc -O0 -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %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-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind
define internal i32* @func_65(i32* %p_66) #0 {
entry:
br i1 undef, label %for.body, label %for.end731
for.body: ; preds = %entry
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 llvm-svn: 230794
2015-02-28 05:17:42 +08:00
%0 = load i32, i32* undef, align 4
PPCDAGToDAGISel::isRunOfOnes should return false on zero This fixes a bug (found by csmith) at -O0 where we attempt to create a RLWIMI with an out-of-range operand. Most uses of the isRunOfOnes function are guarded by a condition that the value is not zero. This was not true in two places, and in both places a zero input would result in an out-of-rage MB value (= 32). To fix this, isRunOfOnes returns false on a zero input (and I've remove one now-redundant guard). llvm-svn: 186101
2013-07-12 00:31:51 +08:00
%or31 = or i32 %0, 319143828
store i32 %or31, i32* undef, align 4
%cmp32 = icmp eq i32 319143828, %or31
%conv33 = zext i1 %cmp32 to i32
%conv34 = sext i32 %conv33 to i64
%call35 = call i64 @safe_mod_func_uint64_t_u_u(i64 %conv34, i64 -10)
unreachable
for.end731: ; preds = %entry
ret i32* undef
}
; Function Attrs: nounwind
declare i64 @safe_mod_func_uint64_t_u_u(i64, i64) #0
Update to remove the no-frame-pointer-elim-non-leaf flag if it was set to 'false'. llvm-svn: 189068
2013-08-23 05:28:54 +08:00
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }