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|
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple=aarch64 -global-isel -stop-after=irtranslator -verify-machineinstrs -o - %s | FileCheck %s
; Verify that we generate G_ASSERT_SEXT for signext parameters.
define i8 @signext_param_i8(i8 signext %x) {
; CHECK-LABEL: name: signext_param_i8
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_SEXT:%[0-9]+]]:_(s32) = G_ASSERT_SEXT [[COPY]], 8
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_SEXT]](s32)
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
ret i8 %x
}
define i8 @no_signext_param(i8 %x) {
; CHECK-LABEL: name: no_signext_param
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
ret i8 %x
}
; Don't need G_ASSERT_SEXT here. The sizes match.
define i32 @signext_param_i32(i32 signext %x) {
; CHECK-LABEL: name: signext_param_i32
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: $w0 = COPY [[COPY]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
ret i32 %x
}
; signext param is passed on the stack. We should still get a G_ASSERT_SEXT.
define i32 @signext_param_stack(i64 %a, i64 %b, i64 %c, i64 %d, i64 %e, i64 %f,
; CHECK-LABEL: name: signext_param_stack
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK-NEXT: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK-NEXT: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK-NEXT: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK-NEXT: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK-NEXT: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[FRAME_INDEX1]](p0) :: (invariant load (s8) from %fixed-stack.0, align 8)
; CHECK-NEXT: [[ASSERT_SEXT:%[0-9]+]]:_(s32) = G_ASSERT_SEXT [[SEXTLOAD]], 1
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ASSERT_SEXT]](s32)
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s1)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
i64 %g, i64 %h, i64 %i, i1 signext %j) {
%v = zext i1 %j to i32
ret i32 %v
}
; The signext parameter is a s32, so there's no extension required.
define i32 @dont_need_assert_zext_stack(i64 %a, i64 %b, i64 %c, i64 %d, i64 %e,
; CHECK-LABEL: name: dont_need_assert_zext_stack
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK-NEXT: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK-NEXT: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK-NEXT: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK-NEXT: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load (s32) from %fixed-stack.0, align 8)
; CHECK-NEXT: $w0 = COPY [[LOAD1]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
i64 %f, i64 %g, i64 %h, i64 %i,
i32 signext %j) {
ret i32 %j
}
; s8 requires extension to s32, so we should get a G_ASSERT_SEXT here.
define i8 @s8_assert_zext_stack(i64 %a, i64 %b, i64 %c, i64 %d, i64 %e,
; CHECK-LABEL: name: s8_assert_zext_stack
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK-NEXT: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK-NEXT: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK-NEXT: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK-NEXT: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK-NEXT: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[FRAME_INDEX1]](p0) :: (invariant load (s8) from %fixed-stack.0, align 8)
; CHECK-NEXT: [[ASSERT_SEXT:%[0-9]+]]:_(s32) = G_ASSERT_SEXT [[SEXTLOAD]], 8
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_SEXT]](s32)
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
i64 %f, i64 %g, i64 %h, i64 %i,
i8 signext %j) {
ret i8 %j
}
define i32 @callee_signext_i1(i1 signext %0) {
; CHECK-LABEL: name: callee_signext_i1
; CHECK: bb.1 (%ir-block.1):
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_SEXT:%[0-9]+]]:_(s32) = G_ASSERT_SEXT [[COPY]], 1
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ASSERT_SEXT]](s32)
; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[TRUNC]](s1)
; CHECK-NEXT: $w0 = COPY [[SEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
%r = sext i1 %0 to i32
ret i32 %r
}
define i32 @caller_signext_i1() {
; CHECK-LABEL: name: caller_signext_i1
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s8) = G_SEXT [[C]](s1)
; CHECK-NEXT: [[SEXT1:%[0-9]+]]:_(s32) = G_SEXT [[SEXT]](s8)
; CHECK-NEXT: $w0 = COPY [[SEXT1]](s32)
; CHECK-NEXT: BL @callee_signext_i1, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit-def $w0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: $w0 = COPY [[COPY]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
%r = call i32 @callee_signext_i1(i1 signext true)
ret i32 %r
}
define signext i1 @ret_signext_i1() {
; CHECK-LABEL: name: ret_signext_i1
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[C]](s1)
; CHECK-NEXT: $w0 = COPY [[SEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
ret i1 true
}
|
