| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s \ |
| ; RUN: --check-prefix=CHECK-R |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr10 -ppc-use-absolute-jumptables \ |
| ; RUN: -ppc-asm-full-reg-names < %s | FileCheck %s \ |
| ; RUN: --check-prefix=CHECK-A-LE |
| ; RUN: llc -verify-machineinstrs -target-abi=elfv2 -mtriple=powerpc64-- \ |
| ; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s \ |
| ; RUN: --check-prefix=CHECK-R |
| ; RUN: llc -verify-machineinstrs -target-abi=elfv2 -mtriple=powerpc64-- \ |
| ; RUN: -mcpu=pwr10 -ppc-use-absolute-jumptables \ |
| ; RUN: -ppc-asm-full-reg-names < %s | FileCheck %s \ |
| ; RUN: --check-prefix=CHECK-A-BE |
| |
| |
| ; This test checks for getting relative and absolute jump table base address |
| ; using PC Relative addressing. |
| |
| define dso_local signext i32 @jumptable(i32 signext %param) { |
| ; CHECK-R-LABEL: jumptable: |
| ; CHECK-R: # %bb.1: # %entry |
| ; CHECK-R-NEXT: rldic r4, r4 |
| ; CHECK-R-NEXT: paddi r5, 0, .LJTI0_0@PCREL, 1 |
| ; CHECK-R-NEXT: lwax r4, r4, r5 |
| ; CHECK-R-NEXT: add r4, r4, r5 |
| ; CHECK-R-NEXT: mtctr r4 |
| ; CHECK-R-NEXT: bctr |
| ; CHECK-A-LE-LABEL: jumptable: |
| ; CHECK-A-LE: # %bb.1: # %entry |
| ; CHECK-A-LE-NEXT: rldic r4, r4 |
| ; CHECK-A-LE-NEXT: paddi r5, 0, .LJTI0_0@PCREL, 1 |
| ; CHECK-A-LE-NEXT: ldx r4, r4, r5 |
| ; CHECK-A-LE-NEXT: mtctr r4 |
| ; CHECK-A-LE-NEXT: bctr |
| ; CHECK-A-BE-LABEL: jumptable: |
| ; CHECK-A-BE: # %bb.1: # %entry |
| ; CHECK-A-BE-NEXT: rldic r4, r4 |
| ; CHECK-A-BE-NEXT: paddi r5, 0, .LJTI0_0@PCREL, 1 |
| ; CHECK-A-BE-NEXT: lwax r4, r4, r5 |
| ; CHECK-A-BE-NEXT: mtctr r4 |
| ; CHECK-A-BE-NEXT: bctr |
| |
| |
| entry: |
| switch i32 %param, label %sw.default [ |
| i32 1, label %return |
| i32 2, label %sw.bb1 |
| i32 3, label %sw.bb2 |
| i32 4, label %sw.bb3 |
| i32 20, label %sw.bb4 |
| ] |
| |
| sw.bb1: ; preds = %entry |
| br label %return |
| |
| sw.bb2: ; preds = %entry |
| br label %return |
| |
| sw.bb3: ; preds = %entry |
| br label %return |
| |
| sw.bb4: ; preds = %entry |
| br label %return |
| |
| sw.default: ; preds = %entry |
| br label %return |
| |
| return: ; preds = %entry, %sw.default, %sw.bb4, %sw.bb3, %sw.bb2, %sw.bb1 |
| %retval.0 = phi i32 [ -1, %sw.default ], [ 400, %sw.bb4 ], [ 16, %sw.bb3 ], |
| [ 9, %sw.bb2 ], [ 4, %sw.bb1 ], [ %param, %entry ] |
| ret i32 %retval.0 |
| } |
