# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X64 --- | 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_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 } ... --- name: test_zext_i1 # ALL-LABEL: name: test_zext_i1 alignment: 4 legalized: true regBankSelected: true # ALL: registers: # ALL-NEXT: - { id: 0, class: gr8 } # ALL-NEXT: - { id: 1, class: gr8 } # ALL-NEXT: - { id: 2, class: gr64 } # ALL-NEXT: - { id: 3, class: gr64 } registers: - { id: 0, class: gpr } - { id: 1, class: gpr } - { id: 2, class: gpr } # ALL: %0 = COPY %dil # ALL-NEXT: %1 = COPY %0 # ALL-NEXT: %3 = SUBREG_TO_REG 0, %1, 1 # ALL-NEXT: %2 = AND64ri8 %3, 1, implicit-def %eflags # ALL-NEXT: %rax = COPY %2 # ALL-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_sext_i8 # ALL-LABEL: name: test_sext_i8 alignment: 4 legalized: true regBankSelected: true # ALL: registers: # ALL-NEXT: - { id: 0, class: gr8 } # ALL-NEXT: - { id: 1, class: gr64 } registers: - { id: 0, class: gpr } - { id: 1, class: gpr } # ALL: %0 = COPY %dil # ALL-NEXT: %1 = MOVSX64rr8 %0 # ALL-NEXT: %rax = COPY %1 # ALL-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 # ALL-LABEL: name: test_sext_i16 alignment: 4 legalized: true regBankSelected: true # ALL: registers: # ALL-NEXT: - { id: 0, class: gr16 } # ALL-NEXT: - { id: 1, class: gr64 } registers: - { id: 0, class: gpr } - { id: 1, class: gpr } # ALL: %0 = COPY %di # ALL-NEXT: %1 = MOVSX64rr16 %0 # ALL-NEXT: %rax = COPY %1 # ALL-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 ...