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llvm-project/llvm/test/CodeGen/PowerPC/pr32140.ll

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[PowerPC] Fix failure with STBRX when store is narrower than the bswap Fixes a crash caused by r296811 by truncating the input of the STBRX node when the bswap is wider than i32. Fixes https://bugs.llvm.org/show_bug.cgi?id=32140 Differential Revision: https://reviews.llvm.org/D30615 llvm-svn: 297001
2017-03-06 15:32:13 +08:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
; RUN: llc -mtriple=powerpc64-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
@as = common local_unnamed_addr global i16 0, align 2
@bs = common local_unnamed_addr global i16 0, align 2
@ai = common local_unnamed_addr global i32 0, align 4
@bi = common local_unnamed_addr global i32 0, align 4
define void @bswapStorei64Toi32() {
; CHECK-LABEL: bswapStorei64Toi32:
[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: # %bb.0: # %entry
[PowerPC] Fix failure with STBRX when store is narrower than the bswap Fixes a crash caused by r296811 by truncating the input of the STBRX node when the bswap is wider than i32. Fixes https://bugs.llvm.org/show_bug.cgi?id=32140 Differential Revision: https://reviews.llvm.org/D30615 llvm-svn: 297001
2017-03-06 15:32:13 +08:00
; CHECK: lwa 3, 0(3)
; CHECK-NEXT: rldicl 3, 3, 32, 32
; CHECK-NEXT: stwbrx 3, 0, 4
; CHECK-NEXT: blr
entry:
%0 = load i32, i32* @ai, align 4
%conv.i = sext i32 %0 to i64
%or26.i = tail call i64 @llvm.bswap.i64(i64 %conv.i)
%conv = trunc i64 %or26.i to i32
store i32 %conv, i32* @bi, align 4
ret void
}
define void @bswapStorei32Toi16() {
; CHECK-LABEL: bswapStorei32Toi16:
[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: # %bb.0: # %entry
[PowerPC] Fix failure with STBRX when store is narrower than the bswap Fixes a crash caused by r296811 by truncating the input of the STBRX node when the bswap is wider than i32. Fixes https://bugs.llvm.org/show_bug.cgi?id=32140 Differential Revision: https://reviews.llvm.org/D30615 llvm-svn: 297001
2017-03-06 15:32:13 +08:00
; CHECK: lha 3, 0(3)
; CHECK-NEXT: srwi 3, 3, 16
; CHECK-NEXT: sthbrx 3, 0, 4
; CHECK-NEXT: blr
entry:
%0 = load i16, i16* @as, align 2
%conv.i = sext i16 %0 to i32
%or26.i = tail call i32 @llvm.bswap.i32(i32 %conv.i)
%conv = trunc i32 %or26.i to i16
store i16 %conv, i16* @bs, align 2
ret void
}
define void @bswapStorei64Toi16() {
; CHECK-LABEL: bswapStorei64Toi16:
[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: # %bb.0: # %entry
[PowerPC] Fix failure with STBRX when store is narrower than the bswap Fixes a crash caused by r296811 by truncating the input of the STBRX node when the bswap is wider than i32. Fixes https://bugs.llvm.org/show_bug.cgi?id=32140 Differential Revision: https://reviews.llvm.org/D30615 llvm-svn: 297001
2017-03-06 15:32:13 +08:00
; CHECK: lha 3, 0(3)
; CHECK-NEXT: rldicl 3, 3, 16, 48
; CHECK-NEXT: sthbrx 3, 0, 4
; CHECK-NEXT: blr
entry:
%0 = load i16, i16* @as, align 2
%conv.i = sext i16 %0 to i64
%or26.i = tail call i64 @llvm.bswap.i64(i64 %conv.i)
%conv = trunc i64 %or26.i to i16
store i16 %conv, i16* @bs, align 2
ret void
}
declare i32 @llvm.bswap.i32(i32)
declare i64 @llvm.bswap.i64(i64)