llvm-project/llvm/test/CodeGen/PowerPC/fast-isel-load-store.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

221 lines
4.9 KiB
LLVM

; RUN: llc -relocation-model=static < %s -O0 -verify-machineinstrs -fast-isel -fast-isel-abort=1 -mattr=-vsx -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
; RUN: llc -relocation-model=static < %s -O0 -verify-machineinstrs -fast-isel -fast-isel-abort=1 -mattr=+vsx -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=VSX
; RUN: llc -relocation-model=static < %s -O0 -verify-machineinstrs -fast-isel -fast-isel-abort=1 -mattr=spe -mtriple=powerpc-unknown-linux-gnu -mcpu=e500 | FileCheck %s --check-prefix=SPE
; This test verifies that load/store instructions are properly generated,
; and that they pass MI verification.
@a = dso_local global i8 1, align 1
@b = dso_local global i16 2, align 2
@c = dso_local global i32 4, align 4
@d = dso_local global i64 8, align 8
@e = dso_local global float 1.25, align 4
@f = dso_local global double 3.5, align 8
%struct.s = type<{ i8, i32 }>
%struct.t = type<{ i8, i64 }>
@g = dso_local global %struct.s <{ i8 1, i32 2 }>, align 1
@h = dso_local global %struct.t <{ i8 1, i64 2 }>, align 1
@i = common dso_local global [8192 x i64] zeroinitializer, align 8
; load
define i8 @t1() nounwind {
; ELF64-LABEL: t1:
%1 = load i8, ptr @a, align 1
; ELF64: lbz
%2 = add nsw i8 %1, 1
; ELF64: addi
ret i8 %2
}
define i16 @t2() nounwind {
; ELF64-LABEL: t2:
%1 = load i16, ptr @b, align 2
; ELF64: lhz
%2 = add nsw i16 %1, 1
; ELF64: addi
ret i16 %2
}
define dso_local i32 @t3() nounwind {
; ELF64-LABEL: t3:
%1 = load i32, ptr @c, align 4
; ELF64: lwz
%2 = add nsw i32 %1, 1
; ELF64: addi
ret i32 %2
}
define i64 @t4() nounwind {
; ELF64-LABEL: t4:
%1 = load i64, ptr @d, align 4
; ELF64: ld
%2 = add nsw i64 %1, 1
; ELF64: addi
ret i64 %2
}
define dso_local float @t5() nounwind {
; ELF64-LABEL: t5:
; SPE-LABEL: t5:
%1 = load float, ptr @e, align 4
; ELF64: lfs
; SPE: lwz
%2 = fadd float %1, 1.0
; ELF64: fadds
; SPE: efsadd
ret float %2
}
define dso_local double @t6() nounwind {
; ELF64-LABEL: t6:
; SPE-LABEL: t6:
%1 = load double, ptr @f, align 8
; ELF64: lfd
; VSX: lxsdx
; SPE: evldd
%2 = fadd double %1, 1.0
; ELF64: fadd
; VSX: xsadddp
; SPE: efdadd
ret double %2
}
; store
define dso_local void @t7(i8 %v) nounwind {
; ELF64-LABEL: t7:
%1 = add nsw i8 %v, 1
store i8 %1, ptr @a, align 1
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: stb
ret void
}
define dso_local void @t8(i16 %v) nounwind {
; ELF64-LABEL: t8:
%1 = add nsw i16 %v, 1
store i16 %1, ptr @b, align 2
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: sth
ret void
}
define dso_local void @t9(i32 %v) nounwind {
; ELF64-LABEL: t9:
%1 = add nsw i32 %v, 1
store i32 %1, ptr @c, align 4
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: stw
ret void
}
define dso_local void @t10(i64 %v) nounwind {
; ELF64-LABEL: t10:
%1 = add nsw i64 %v, 1
store i64 %1, ptr @d, align 4
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: std
ret void
}
define dso_local void @t11(float %v) nounwind {
; ELF64-LABEL: t11:
; SPE-LABEL: t11:
%1 = fadd float %v, 1.0
store float %1, ptr @e, align 4
; ELF64: fadds
; ELF64: stfs
; SPE: efsadd
; SPE: stw
ret void
}
define dso_local void @t12(double %v) nounwind {
; ELF64-LABEL: t12:
; SPE-LABEL: t12:
%1 = fadd double %v, 1.0
store double %1, ptr @f, align 8
; ELF64: fadd
; ELF64: stfd
; VSX: xsadddp
; VSX: stxsdx
; SPE: efdadd
; SPE: evstdd
ret void
}
;; lwa requires an offset divisible by 4, so we need lwax here.
define i64 @t13() nounwind {
; ELF64-LABEL: t13:
%1 = load i32, ptr getelementptr inbounds (%struct.s, ptr @g, i32 0, i32 1), align 1
%2 = sext i32 %1 to i64
; ELF64: li
; ELF64: lwax
%3 = add nsw i64 %2, 1
; ELF64: addi
ret i64 %3
}
;; ld requires an offset divisible by 4, so we need ldx here.
define i64 @t14() nounwind {
; ELF64-LABEL: t14:
%1 = load i64, ptr getelementptr inbounds (%struct.t, ptr @h, i32 0, i32 1), align 1
; ELF64: li
; ELF64: ldx
%2 = add nsw i64 %1, 1
; ELF64: addi
ret i64 %2
}
;; std requires an offset divisible by 4, so we need stdx here.
define dso_local void @t15(i64 %v) nounwind {
; ELF64-LABEL: t15:
%1 = add nsw i64 %v, 1
store i64 %1, ptr getelementptr inbounds (%struct.t, ptr @h, i32 0, i32 1), align 1
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: li
; ELF64: stdx
ret void
}
;; ld requires an offset that fits in 16 bits, so we need ldx here.
define i64 @t16() nounwind {
; ELF64-LABEL: t16:
%1 = load i64, ptr getelementptr inbounds ([8192 x i64], ptr @i, i32 0, i64 5000), align 8
; ELF64: lis
; ELF64: ori
; ELF64: ldx
%2 = add nsw i64 %1, 1
; ELF64: addi
ret i64 %2
}
;; std requires an offset that fits in 16 bits, so we need stdx here.
define dso_local void @t17(i64 %v) nounwind {
; ELF64-LABEL: t17:
%1 = add nsw i64 %v, 1
store i64 %1, ptr getelementptr inbounds ([8192 x i64], ptr @i, i32 0, i64 5000), align 8
; ELF64: addi
; ELF64: addis
; ELF64: addi
; ELF64: lis
; ELF64: ori
; ELF64: stdx
ret void
}