| ; RUN: llc -fast-isel -fast-isel-abort=1 -mtriple=aarch64-apple-darwin -verify-machineinstrs < %s | FileCheck %s |
| |
| ; CHECK-LABEL: asr_zext_i1_i16 |
| ; CHECK: uxth {{w[0-9]*}}, wzr |
| define zeroext i16 @asr_zext_i1_i16(i1 %b) { |
| %1 = zext i1 %b to i16 |
| %2 = ashr i16 %1, 1 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: asr_sext_i1_i16 |
| ; CHECK: sbfx [[REG1:w[0-9]+]], {{w[0-9]*}}, #0, #1 |
| ; CHECK-NEXT: sxth {{w[0-9]*}}, [[REG1]] |
| define signext i16 @asr_sext_i1_i16(i1 %b) { |
| %1 = sext i1 %b to i16 |
| %2 = ashr i16 %1, 1 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: asr_zext_i1_i32 |
| ; CHECK: mov {{w[0-9]*}}, wzr |
| define i32 @asr_zext_i1_i32(i1 %b) { |
| %1 = zext i1 %b to i32 |
| %2 = ashr i32 %1, 1 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: asr_sext_i1_i32 |
| ; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #0, #1 |
| define i32 @asr_sext_i1_i32(i1 %b) { |
| %1 = sext i1 %b to i32 |
| %2 = ashr i32 %1, 1 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: asr_zext_i1_i64 |
| ; CHECK: mov {{x[0-9]*}}, xzr |
| define i64 @asr_zext_i1_i64(i1 %b) { |
| %1 = zext i1 %b to i64 |
| %2 = ashr i64 %1, 1 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: asr_sext_i1_i64 |
| ; CHECK: sbfx {{x[0-9]*}}, {{x[0-9]*}}, #0, #1 |
| define i64 @asr_sext_i1_i64(i1 %b) { |
| %1 = sext i1 %b to i64 |
| %2 = ashr i64 %1, 1 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_zext_i1_i16 |
| ; CHECK: uxth {{w[0-9]*}}, wzr |
| define zeroext i16 @lsr_zext_i1_i16(i1 %b) { |
| %1 = zext i1 %b to i16 |
| %2 = lshr i16 %1, 1 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_sext_i1_i16 |
| ; CHECK: sbfx [[REG1:w[0-9]+]], {{w[0-9]*}}, #0, #1 |
| ; CHECK-NEXT: ubfx [[REG2:w[0-9]+]], [[REG1]], #1, #15 |
| ; CHECK-NEXT: sxth {{w[0-9]*}}, [[REG2]] |
| define signext i16 @lsr_sext_i1_i16(i1 %b) { |
| %1 = sext i1 %b to i16 |
| %2 = lshr i16 %1, 1 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_zext_i1_i32 |
| ; CHECK: mov {{w[0-9]*}}, wzr |
| define i32 @lsr_zext_i1_i32(i1 %b) { |
| %1 = zext i1 %b to i32 |
| %2 = lshr i32 %1, 1 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_sext_i1_i32 |
| ; CHECK: sbfx [[REG1:w[0-9]+]], {{w[0-9]*}}, #0, #1 |
| ; CHECK-NEXT: lsr {{w[0-9]*}}, [[REG1:w[0-9]+]], #1 |
| define i32 @lsr_sext_i1_i32(i1 %b) { |
| %1 = sext i1 %b to i32 |
| %2 = lshr i32 %1, 1 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_zext_i1_i64 |
| ; CHECK: mov {{x[0-9]*}}, xzr |
| define i64 @lsr_zext_i1_i64(i1 %b) { |
| %1 = zext i1 %b to i64 |
| %2 = lshr i64 %1, 1 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i1_i16 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #1 |
| define zeroext i16 @lsl_zext_i1_i16(i1 %b) { |
| %1 = zext i1 %b to i16 |
| %2 = shl i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i1_i16 |
| ; CHECK: sbfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #1 |
| define signext i16 @lsl_sext_i1_i16(i1 %b) { |
| %1 = sext i1 %b to i16 |
| %2 = shl i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i1_i32 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #1 |
| define i32 @lsl_zext_i1_i32(i1 %b) { |
| %1 = zext i1 %b to i32 |
| %2 = shl i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i1_i32 |
| ; CHECK: sbfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #1 |
| define i32 @lsl_sext_i1_i32(i1 %b) { |
| %1 = sext i1 %b to i32 |
| %2 = shl i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i1_i64 |
| ; CHECK: ubfiz {{x[0-9]*}}, {{x[0-9]*}}, #4, #1 |
| define i64 @lsl_zext_i1_i64(i1 %b) { |
| %1 = zext i1 %b to i64 |
| %2 = shl i64 %1, 4 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i1_i64 |
| ; CHECK: sbfiz {{x[0-9]*}}, {{x[0-9]*}}, #4, #1 |
| define i64 @lsl_sext_i1_i64(i1 %b) { |
| %1 = sext i1 %b to i64 |
| %2 = shl i64 %1, 4 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lslv_i8 |
| ; CHECK: and [[REG1:w[0-9]+]], w1, #0xff |
| ; CHECK-NEXT: lsl [[REG2:w[0-9]+]], w0, [[REG1]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG2]], #0xff |
| define zeroext i8 @lslv_i8(i8 %a, i8 %b) { |
| %1 = shl i8 %a, %b |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_i8 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define zeroext i8 @lsl_i8(i8 %a) { |
| %1 = shl i8 %a, 4 |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i8_i16 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #8 |
| define zeroext i16 @lsl_zext_i8_i16(i8 %b) { |
| %1 = zext i8 %b to i16 |
| %2 = shl i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i8_i16 |
| ; CHECK: sbfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #8 |
| define signext i16 @lsl_sext_i8_i16(i8 %b) { |
| %1 = sext i8 %b to i16 |
| %2 = shl i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i8_i32 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #8 |
| define i32 @lsl_zext_i8_i32(i8 %b) { |
| %1 = zext i8 %b to i32 |
| %2 = shl i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i8_i32 |
| ; CHECK: sbfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #8 |
| define i32 @lsl_sext_i8_i32(i8 %b) { |
| %1 = sext i8 %b to i32 |
| %2 = shl i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i8_i64 |
| ; CHECK: ubfiz {{x[0-9]*}}, {{x[0-9]*}}, #4, #8 |
| define i64 @lsl_zext_i8_i64(i8 %b) { |
| %1 = zext i8 %b to i64 |
| %2 = shl i64 %1, 4 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i8_i64 |
| ; CHECK: sbfiz {{x[0-9]*}}, {{x[0-9]*}}, #4, #8 |
| define i64 @lsl_sext_i8_i64(i8 %b) { |
| %1 = sext i8 %b to i64 |
| %2 = shl i64 %1, 4 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lslv_i16 |
| ; CHECK: and [[REG1:w[0-9]+]], w1, #0xffff |
| ; CHECK-NEXT: lsl [[REG2:w[0-9]+]], w0, [[REG1]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG2]], #0xffff |
| define zeroext i16 @lslv_i16(i16 %a, i16 %b) { |
| %1 = shl i16 %a, %b |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_i16 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #8, #8 |
| define zeroext i16 @lsl_i16(i16 %a) { |
| %1 = shl i16 %a, 8 |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i16_i32 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #8, #16 |
| define i32 @lsl_zext_i16_i32(i16 %b) { |
| %1 = zext i16 %b to i32 |
| %2 = shl i32 %1, 8 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i16_i32 |
| ; CHECK: sbfiz {{w[0-9]*}}, {{w[0-9]*}}, #8, #16 |
| define i32 @lsl_sext_i16_i32(i16 %b) { |
| %1 = sext i16 %b to i32 |
| %2 = shl i32 %1, 8 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i16_i64 |
| ; CHECK: ubfiz {{x[0-9]*}}, {{x[0-9]*}}, #8, #16 |
| define i64 @lsl_zext_i16_i64(i16 %b) { |
| %1 = zext i16 %b to i64 |
| %2 = shl i64 %1, 8 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i16_i64 |
| ; CHECK: sbfiz {{x[0-9]*}}, {{x[0-9]*}}, #8, #16 |
| define i64 @lsl_sext_i16_i64(i16 %b) { |
| %1 = sext i16 %b to i64 |
| %2 = shl i64 %1, 8 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lslv_i32 |
| ; CHECK: lsl {{w[0-9]*}}, w0, w1 |
| define zeroext i32 @lslv_i32(i32 %a, i32 %b) { |
| %1 = shl i32 %a, %b |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_i32 |
| ; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #16 |
| define zeroext i32 @lsl_i32(i32 %a) { |
| %1 = shl i32 %a, 16 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_zext_i32_i64 |
| ; CHECK: ubfiz {{x[0-9]+}}, {{x[0-9]+}}, #16, #32 |
| define i64 @lsl_zext_i32_i64(i32 %b) { |
| %1 = zext i32 %b to i64 |
| %2 = shl i64 %1, 16 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lsl_sext_i32_i64 |
| ; CHECK: sbfiz {{x[0-9]+}}, {{x[0-9]+}}, #16, #32 |
| define i64 @lsl_sext_i32_i64(i32 %b) { |
| %1 = sext i32 %b to i64 |
| %2 = shl i64 %1, 16 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lslv_i64 |
| ; CHECK: lsl {{x[0-9]*}}, x0, x1 |
| define i64 @lslv_i64(i64 %a, i64 %b) { |
| %1 = shl i64 %a, %b |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: lsl_i64 |
| ; CHECK: lsl {{x[0-9]*}}, {{x[0-9]*}}, #32 |
| define i64 @lsl_i64(i64 %a) { |
| %1 = shl i64 %a, 32 |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: lsrv_i8 |
| ; CHECK: and [[REG1:w[0-9]+]], w0, #0xff |
| ; CHECK-NEXT: and [[REG2:w[0-9]+]], w1, #0xff |
| ; CHECK-NEXT: lsr [[REG3:w[0-9]+]], [[REG1]], [[REG2]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG3]], #0xff |
| define zeroext i8 @lsrv_i8(i8 %a, i8 %b) { |
| %1 = lshr i8 %a, %b |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: lsr_i8 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define zeroext i8 @lsr_i8(i8 %a) { |
| %1 = lshr i8 %a, 4 |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: lsr_zext_i8_i16 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define zeroext i16 @lsr_zext_i8_i16(i8 %b) { |
| %1 = zext i8 %b to i16 |
| %2 = lshr i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_sext_i8_i16 |
| ; CHECK: sxtb [[REG:w[0-9]+]], w0 |
| ; CHECK-NEXT: ubfx {{w[0-9]*}}, [[REG]], #4, #12 |
| define signext i16 @lsr_sext_i8_i16(i8 %b) { |
| %1 = sext i8 %b to i16 |
| %2 = lshr i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_zext_i8_i32 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define i32 @lsr_zext_i8_i32(i8 %b) { |
| %1 = zext i8 %b to i32 |
| %2 = lshr i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsr_sext_i8_i32 |
| ; CHECK: sxtb [[REG:w[0-9]+]], w0 |
| ; CHECK-NEXT: lsr {{w[0-9]*}}, [[REG]], #4 |
| define i32 @lsr_sext_i8_i32(i8 %b) { |
| %1 = sext i8 %b to i32 |
| %2 = lshr i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: lsrv_i16 |
| ; CHECK: and [[REG1:w[0-9]+]], w0, #0xffff |
| ; CHECK-NEXT: and [[REG2:w[0-9]+]], w1, #0xffff |
| ; CHECK-NEXT: lsr [[REG3:w[0-9]+]], [[REG1]], [[REG2]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG3]], #0xffff |
| define zeroext i16 @lsrv_i16(i16 %a, i16 %b) { |
| %1 = lshr i16 %a, %b |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: lsr_i16 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #8, #8 |
| define zeroext i16 @lsr_i16(i16 %a) { |
| %1 = lshr i16 %a, 8 |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: lsrv_i32 |
| ; CHECK: lsr {{w[0-9]*}}, w0, w1 |
| define zeroext i32 @lsrv_i32(i32 %a, i32 %b) { |
| %1 = lshr i32 %a, %b |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: lsr_i32 |
| ; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #16 |
| define zeroext i32 @lsr_i32(i32 %a) { |
| %1 = lshr i32 %a, 16 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: lsrv_i64 |
| ; CHECK: lsr {{x[0-9]*}}, x0, x1 |
| define i64 @lsrv_i64(i64 %a, i64 %b) { |
| %1 = lshr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: lsr_i64 |
| ; CHECK: lsr {{x[0-9]*}}, {{x[0-9]*}}, #32 |
| define i64 @lsr_i64(i64 %a) { |
| %1 = lshr i64 %a, 32 |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: asrv_i8 |
| ; CHECK: sxtb [[REG1:w[0-9]+]], w0 |
| ; CHECK-NEXT: and [[REG2:w[0-9]+]], w1, #0xff |
| ; CHECK-NEXT: asr [[REG3:w[0-9]+]], [[REG1]], [[REG2]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG3]], #0xff |
| define zeroext i8 @asrv_i8(i8 %a, i8 %b) { |
| %1 = ashr i8 %a, %b |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: asr_i8 |
| ; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define zeroext i8 @asr_i8(i8 %a) { |
| %1 = ashr i8 %a, 4 |
| ret i8 %1 |
| } |
| |
| ; CHECK-LABEL: asr_zext_i8_i16 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define zeroext i16 @asr_zext_i8_i16(i8 %b) { |
| %1 = zext i8 %b to i16 |
| %2 = ashr i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: asr_sext_i8_i16 |
| ; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define signext i16 @asr_sext_i8_i16(i8 %b) { |
| %1 = sext i8 %b to i16 |
| %2 = ashr i16 %1, 4 |
| ret i16 %2 |
| } |
| |
| ; CHECK-LABEL: asr_zext_i8_i32 |
| ; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define i32 @asr_zext_i8_i32(i8 %b) { |
| %1 = zext i8 %b to i32 |
| %2 = ashr i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: asr_sext_i8_i32 |
| ; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define i32 @asr_sext_i8_i32(i8 %b) { |
| %1 = sext i8 %b to i32 |
| %2 = ashr i32 %1, 4 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: asrv_i16 |
| ; CHECK: sxth [[REG1:w[0-9]+]], w0 |
| ; CHECK-NEXT: and [[REG2:w[0-9]+]], w1, #0xffff |
| ; CHECK-NEXT: asr [[REG3:w[0-9]+]], [[REG1]], [[REG2]] |
| ; CHECK-NEXT: and {{w[0-9]+}}, [[REG3]], #0xffff |
| define zeroext i16 @asrv_i16(i16 %a, i16 %b) { |
| %1 = ashr i16 %a, %b |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: asr_i16 |
| ; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #8, #8 |
| define zeroext i16 @asr_i16(i16 %a) { |
| %1 = ashr i16 %a, 8 |
| ret i16 %1 |
| } |
| |
| ; CHECK-LABEL: asrv_i32 |
| ; CHECK: asr {{w[0-9]*}}, w0, w1 |
| define zeroext i32 @asrv_i32(i32 %a, i32 %b) { |
| %1 = ashr i32 %a, %b |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: asr_i32 |
| ; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #16 |
| define zeroext i32 @asr_i32(i32 %a) { |
| %1 = ashr i32 %a, 16 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: asrv_i64 |
| ; CHECK: asr {{x[0-9]*}}, x0, x1 |
| define i64 @asrv_i64(i64 %a, i64 %b) { |
| %1 = ashr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: asr_i64 |
| ; CHECK: asr {{x[0-9]*}}, {{x[0-9]*}}, #32 |
| define i64 @asr_i64(i64 %a) { |
| %1 = ashr i64 %a, 32 |
| ret i64 %1 |
| } |
| |
| ; CHECK-LABEL: shift_test1 |
| ; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| ; CHECK-NEXT: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4 |
| define i32 @shift_test1(i8 %a) { |
| %1 = shl i8 %a, 4 |
| %2 = ashr i8 %1, 4 |
| %3 = sext i8 %2 to i32 |
| ret i32 %3 |
| } |
| |
| ; Test zero shifts |
| |
| ; CHECK-LABEL: shl_zero |
| ; CHECK-NOT: lsl |
| define i32 @shl_zero(i32 %a) { |
| %1 = shl i32 %a, 0 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: lshr_zero |
| ; CHECK-NOT: lsr |
| define i32 @lshr_zero(i32 %a) { |
| %1 = lshr i32 %a, 0 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: ashr_zero |
| ; CHECK-NOT: asr |
| define i32 @ashr_zero(i32 %a) { |
| %1 = ashr i32 %a, 0 |
| ret i32 %1 |
| } |
| |
| ; CHECK-LABEL: shl_zext_zero |
| ; CHECK: ubfx x0, x0, #0, #32 |
| define i64 @shl_zext_zero(i32 %a) { |
| %1 = zext i32 %a to i64 |
| %2 = shl i64 %1, 0 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: lshr_zext_zero |
| ; CHECK: ubfx x0, x0, #0, #32 |
| define i64 @lshr_zext_zero(i32 %a) { |
| %1 = zext i32 %a to i64 |
| %2 = lshr i64 %1, 0 |
| ret i64 %2 |
| } |
| |
| ; CHECK-LABEL: ashr_zext_zero |
| ; CHECK: ubfx x0, x0, #0, #32 |
| define i64 @ashr_zext_zero(i32 %a) { |
| %1 = zext i32 %a to i64 |
| %2 = ashr i64 %1, 0 |
| ret i64 %2 |
| } |
| |