llvm-project/llvm/test/CodeGen/Mips/Fast-ISel/loadstoreconv.ll

180 lines
4.9 KiB
LLVM

; RUN: llc -march=mipsel -relocation-model=pic -O0 -fast-isel-abort=3 -mcpu=mips32r2 \
; RUN: < %s | FileCheck %s
; RUN: llc -march=mipsel -relocation-model=pic -O0 -fast-isel-abort=3 -mcpu=mips32 \
; RUN: < %s | FileCheck %s
; RUN: llc -march=mipsel -relocation-model=pic -O0 -fast-isel-abort=3 -mcpu=mips32r2 \
; RUN: < %s | FileCheck %s -check-prefix=mips32r2
; RUN: llc -march=mipsel -relocation-model=pic -O0 -fast-isel-abort=3 -mcpu=mips32 \
; RUN: < %s | FileCheck %s -check-prefix=mips32
@b2 = global i8 0, align 1
@b1 = global i8 1, align 1
@uc1 = global i8 0, align 1
@uc2 = global i8 -1, align 1
@sc1 = global i8 -128, align 1
@sc2 = global i8 127, align 1
@ss1 = global i16 -32768, align 2
@ss2 = global i16 32767, align 2
@us1 = global i16 0, align 2
@us2 = global i16 -1, align 2
@ssi = global i16 0, align 2
@ssj = global i16 0, align 2
@i = global i32 0, align 4
@j = global i32 0, align 4
@.str = private unnamed_addr constant [4 x i8] c"%i\0A\00", align 1
@.str1 = private unnamed_addr constant [7 x i8] c"%i %i\0A\00", align 1
; Function Attrs: nounwind
define void @_Z3b_iv() {
entry:
; CHECK-LABEL: .ent _Z3b_iv
%0 = load i8, i8* @b1, align 1
%tobool = trunc i8 %0 to i1
%frombool = zext i1 %tobool to i8
store i8 %frombool, i8* @b2, align 1
%1 = load i8, i8* @b2, align 1
%tobool1 = trunc i8 %1 to i1
%conv = zext i1 %tobool1 to i32
store i32 %conv, i32* @i, align 4
; CHECK: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; CHECK: andi $[[REG2:[0-9]+]], $[[REG1]], 1
; CHECK: sb $[[REG2]], 0(${{[0-9]+}})
ret void
; CHECK: .end _Z3b_iv
}
; Function Attrs: nounwind
define void @_Z4uc_iv() {
entry:
; CHECK-LABEL: .ent _Z4uc_iv
%0 = load i8, i8* @uc1, align 1
%conv = zext i8 %0 to i32
store i32 %conv, i32* @i, align 4
%1 = load i8, i8* @uc2, align 1
%conv1 = zext i8 %1 to i32
; CHECK: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; CHECK: andi ${{[0-9]+}}, $[[REG1]], 255
store i32 %conv1, i32* @j, align 4
ret void
; CHECK: .end _Z4uc_iv
}
; Function Attrs: nounwind
define void @_Z4sc_iv() {
entry:
; mips32r2-LABEL: .ent _Z4sc_iv
; mips32-LABEL: .ent _Z4sc_iv
%0 = load i8, i8* @sc1, align 1
%conv = sext i8 %0 to i32
store i32 %conv, i32* @i, align 4
%1 = load i8, i8* @sc2, align 1
%conv1 = sext i8 %1 to i32
store i32 %conv1, i32* @j, align 4
; mips32r2: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32r2: seb ${{[0-9]+}}, $[[REG1]]
; mips32: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32: sll $[[REG2:[0-9]+]], $[[REG1]], 24
; mips32: sra ${{[0-9]+}}, $[[REG2]], 24
ret void
; CHECK: .end _Z4sc_iv
}
; Function Attrs: nounwind
define void @_Z4us_iv() {
entry:
; CHECK-LABEL: .ent _Z4us_iv
%0 = load i16, i16* @us1, align 2
%conv = zext i16 %0 to i32
store i32 %conv, i32* @i, align 4
%1 = load i16, i16* @us2, align 2
%conv1 = zext i16 %1 to i32
store i32 %conv1, i32* @j, align 4
ret void
; CHECK: lhu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; CHECK: andi ${{[0-9]+}}, $[[REG1]], 65535
; CHECK: .end _Z4us_iv
}
; Function Attrs: nounwind
define void @_Z4ss_iv() {
entry:
; mips32r2-LABEL: .ent _Z4ss_iv
; mips32=LABEL: .ent _Z4ss_iv
%0 = load i16, i16* @ss1, align 2
%conv = sext i16 %0 to i32
store i32 %conv, i32* @i, align 4
%1 = load i16, i16* @ss2, align 2
%conv1 = sext i16 %1 to i32
store i32 %conv1, i32* @j, align 4
; mips32r2: lhu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32r2: seh ${{[0-9]+}}, $[[REG1]]
; mips32: lhu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32: sll $[[REG2:[0-9]+]], $[[REG1]], 16
; mips32: sra ${{[0-9]+}}, $[[REG2]], 16
ret void
; CHECK: .end _Z4ss_iv
}
; Function Attrs: nounwind
define void @_Z4b_ssv() {
entry:
; CHECK-LABEL: .ent _Z4b_ssv
%0 = load i8, i8* @b2, align 1
%tobool = trunc i8 %0 to i1
%conv = zext i1 %tobool to i16
store i16 %conv, i16* @ssi, align 2
ret void
; CHECK: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; CHECK: andi ${{[0-9]+}}, $[[REG1]], 1
; CHECK: .end _Z4b_ssv
}
; Function Attrs: nounwind
define void @_Z5uc_ssv() {
entry:
; CHECK-LABEL: .ent _Z5uc_ssv
%0 = load i8, i8* @uc1, align 1
%conv = zext i8 %0 to i16
store i16 %conv, i16* @ssi, align 2
%1 = load i8, i8* @uc2, align 1
%conv1 = zext i8 %1 to i16
; CHECK: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; CHECK: andi ${{[0-9]+}}, $[[REG1]], 255
store i16 %conv1, i16* @ssj, align 2
ret void
; CHECK: .end _Z5uc_ssv
}
; Function Attrs: nounwind
define void @_Z5sc_ssv() {
entry:
; mips32r2-LABEL: .ent _Z5sc_ssv
; mips32-LABEL: .ent _Z5sc_ssv
%0 = load i8, i8* @sc1, align 1
%conv = sext i8 %0 to i16
store i16 %conv, i16* @ssi, align 2
%1 = load i8, i8* @sc2, align 1
%conv1 = sext i8 %1 to i16
store i16 %conv1, i16* @ssj, align 2
; mips32r2: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32r2: seb ${{[0-9]+}}, $[[REG1]]
; mips32: lbu $[[REG1:[0-9]+]], 0(${{[0-9]+}})
; mips32: sll $[[REG2:[0-9]+]], $[[REG1]], 24
; mips32: sra ${{[0-9]+}}, $[[REG2]], 24
ret void
; CHECK: .end _Z5sc_ssv
}