# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s --- | define i64 @test_sext_i1(i8 %a) { %val = trunc i8 %a to i1 %r = sext i1 %val to i64 ret i64 %r } define i64 @test_sext_i8(i8 %val) { %r = sext i8 %val to i64 ret i64 %r } define i64 @test_sext_i16(i16 %val) { %r = sext i16 %val to i64 ret i64 %r } define i64 @test_sext_i32(i32 %val) { %r = sext i32 %val to i64 ret i64 %r } define i64 @test_zext_i1(i8 %a) { %val = trunc i8 %a to i1 %r = zext i1 %val to i64 ret i64 %r } define i64 @test_zext_i8(i8 %val) { %r = zext i8 %val to i64 ret i64 %r } define i64 @test_zext_i16(i16 %val) { %r = zext i16 %val to i64 ret i64 %r } define i64 @test_zext_i32(i32 %val) { %r = zext i32 %val to i64 ret i64 %r } ... --- name: test_sext_i1 # CHECK-LABEL: name: test_sext_i1 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } # CHECK: %0(s8) = COPY %edi # CHECK-NEXT: %1(s1) = G_TRUNC %0(s8) # CHECK-NEXT: %2(s64) = G_SEXT %1(s1) # CHECK-NEXT: %rax = COPY %2(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s8) = COPY %edi %1(s1) = G_TRUNC %0(s8) %2(s64) = G_SEXT %1(s1) %rax = COPY %2(s64) RET 0, implicit %rax ... --- name: test_sext_i8 # CHECK-LABEL: name: test_sext_i8 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s8) = COPY %edi # CHECK-NEXT: %1(s64) = G_SEXT %0(s8) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s8) = COPY %edi %1(s64) = G_SEXT %0(s8) %rax = COPY %1(s64) RET 0, implicit %rax ... --- name: test_sext_i16 # CHECK-LABEL: name: test_sext_i16 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s16) = COPY %edi # CHECK-NEXT: %1(s64) = G_SEXT %0(s16) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s16) = COPY %edi %1(s64) = G_SEXT %0(s16) %rax = COPY %1(s64) RET 0, implicit %rax ... --- name: test_sext_i32 # CHECK-LABEL: name: test_sext_i32 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s32) = COPY %edi # CHECK-NEXT: %1(s64) = G_SEXT %0(s32) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s32) = COPY %edi %1(s64) = G_SEXT %0(s32) %rax = COPY %1(s64) RET 0, implicit %rax ... --- name: test_zext_i1 # CHECK-LABEL: name: test_zext_i1 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } # CHECK: %0(s8) = COPY %edi # CHECK-NEXT: %1(s1) = G_TRUNC %0(s8) # CHECK-NEXT: %2(s64) = G_ZEXT %1(s1) # CHECK-NEXT: %rax = COPY %2(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s8) = COPY %edi %1(s1) = G_TRUNC %0(s8) %2(s64) = G_ZEXT %1(s1) %rax = COPY %2(s64) RET 0, implicit %rax ... --- name: test_zext_i8 # CHECK-LABEL: name: test_zext_i8 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s8) = COPY %edi # CHECK-NEXT: %1(s64) = G_ZEXT %0(s8) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s8) = COPY %edi %1(s64) = G_ZEXT %0(s8) %rax = COPY %1(s64) RET 0, implicit %rax ... --- name: test_zext_i16 # CHECK-LABEL: name: test_zext_i16 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s16) = COPY %edi # CHECK-NEXT: %1(s64) = G_ZEXT %0(s16) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s16) = COPY %edi %1(s64) = G_ZEXT %0(s16) %rax = COPY %1(s64) RET 0, implicit %rax ... --- name: test_zext_i32 # CHECK-LABEL: name: test_zext_i32 alignment: 4 legalized: false regBankSelected: false registers: - { id: 0, class: _ } - { id: 1, class: _ } # CHECK: %0(s32) = COPY %edi # CHECK-NEXT: %1(s64) = G_ZEXT %0(s32) # CHECK-NEXT: %rax = COPY %1(s64) # CHECK-NEXT: RET 0, implicit %rax body: | bb.1 (%ir-block.0): liveins: %edi %0(s32) = COPY %edi %1(s64) = G_ZEXT %0(s32) %rax = COPY %1(s64) RET 0, implicit %rax ...