; 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_ZEXT for zeroext parameters.
define i8 @zeroext_param_i8(i8 zeroext %x) {
; CHECK-LABEL: name: zeroext_param_i8
; CHECK: bb.1 (%ir-block.0):
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 8
; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK: $w0 = COPY [[ANYEXT]](s32)
; CHECK: RET_ReallyLR implicit $w0
ret i8 %x
}
define i8 @no_zeroext_param(i8 %x) {
; CHECK-LABEL: name: no_zeroext_param
; CHECK: bb.1 (%ir-block.0):
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK: $w0 = COPY [[ANYEXT]](s32)
; CHECK: RET_ReallyLR implicit $w0
ret i8 %x
}
; Don't need G_ASSERT_ZEXT here. The sizes match.
define i32 @zeroext_param_i32(i32 zeroext %x) {
; CHECK-LABEL: name: zeroext_param_i32
; CHECK: bb.1 (%ir-block.0):
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: $w0 = COPY [[COPY]](s32)
; CHECK: RET_ReallyLR implicit $w0
ret i32 %x
}
; Zeroext param is passed on the stack. We should still get a G_ASSERT_ZEXT.
define i32 @zeroext_param_stack(i64 %a, i64 %b, i64 %c, i64 %d, i64 %e, i64 %f,
; CHECK-LABEL: name: zeroext_param_stack
; CHECK: bb.1 (%ir-block.0):
; CHECK: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[FRAME_INDEX1]](p0) :: (invariant load (s8) from %fixed-stack.0, align 8)
; CHECK: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[ZEXTLOAD]], 1
; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s1)
; CHECK: $w0 = COPY [[ZEXT]](s32)
; CHECK: RET_ReallyLR implicit $w0
i64 %g, i64 %h, i64 %i, i1 zeroext %j) {
%v = zext i1 %j to i32
ret i32 %v
}
; The zeroext 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: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load (s32) from %fixed-stack.0, align 8)
; CHECK: $w0 = COPY [[LOAD1]](s32)
; CHECK: RET_ReallyLR implicit $w0
i64 %f, i64 %g, i64 %h, i64 %i,
i32 zeroext %j) {
ret i32 %j
}
; s8 requires extension to s32, so we should get a G_ASSERT_ZEXT 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: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
; CHECK: [[COPY6:%[0-9]+]]:_(s64) = COPY $x6
; CHECK: [[COPY7:%[0-9]+]]:_(s64) = COPY $x7
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load (s64) from %fixed-stack.1, align 16)
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
; CHECK: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[FRAME_INDEX1]](p0) :: (invariant load (s8) from %fixed-stack.0, align 8)
; CHECK: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[ZEXTLOAD]], 8
; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC]](s8)
; CHECK: $w0 = COPY [[ANYEXT]](s32)
; CHECK: RET_ReallyLR implicit $w0
i64 %f, i64 %g, i64 %h, i64 %i,
i8 zeroext %j) {
ret i8 %j
}