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; NOTE: This test case generates a jump table on PowerPC big and little endian
; NOTE: then verifies that the command line option to enable absolute jump
; NOTE: table works correctly.
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables -ppc-asm-full-reg-names \
; RUN: -verify-machineinstrs %s | FileCheck %s -check-prefix=CHECK-LE
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables -ppc-asm-full-reg-names \
; RUN: -verify-machineinstrs %s | FileCheck %s -check-prefix=CHECK-BE
; RUN: llc -mtriple=powerpc64-ibm-aix-xcoff -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables -ppc-asm-full-reg-names \
; RUN: -verify-machineinstrs %s | FileCheck %s -check-prefix=CHECK-AIX
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=true --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-A-PIC-LE
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=false --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-R-PIC-LE
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=true --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-A-PIC-BE
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=false --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-R-PIC-BE
; RUN: llc -mtriple=powerpc64-ibm-aix-xcoff -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=true --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-A-PIC-AIX
; RUN: llc -mtriple=powerpc64-ibm-aix-xcoff -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=false --relocation-model=pic < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-R-PIC-AIX
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=true --relocation-model=static < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-A-STATIC-LE
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=false --relocation-model=static < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-R-STATIC-LE
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=true --relocation-model=static < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-A-STATIC-BE
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -ppc-min-jump-table-entries=4 -o - \
; RUN: -ppc-use-absolute-jumptables=false --relocation-model=static < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-R-STATIC-BE
%struct.node = type { i8, ptr }
; Function Attrs: norecurse nounwind readonly
define zeroext i32 @jumpTableTest(ptr readonly %list) {
; CHECK-LE-LABEL: jumpTableTest:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE: rldic r[[REG:[0-9]+]], r[[REG]], 3, 29
; CHECK-LE: ldx r[[REG]], r[[REG]], r[[REG1:[0-9]+]]
; CHECK-LE: mtctr r[[REG]]
; CHECK-LE: bctr
; CHECK-LE: blr
;
; CHECK-BE-LABEL: jumpTableTest:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE: rldic r[[REG:[0-9]+]], r[[REG]], 2, 30
; CHECK-BE: lwax r[[REG]], r[[REG]], r[[REG1:[0-9]+]]
; CHECK-BE: mtctr r[[REG]]
; CHECK-BE: bctr
; CHECK-BE: blr
;
; CHECK-AIX-LABEL: jumpTableTest:
; CHECK-AIX: # %bb.0: # %entry
; CHECK-AIX: rldic r[[REG:[0-9]+]], r[[REG]], 2, 30
; CHECK-AIX: lwax r[[REG]], r[[REG]], r[[REG1:[0-9]+]]
; CHECK-AIX: mtctr r[[REG]]
; CHECK-AIX: bctr
; CHECK-AIX: blr
;
; CHECK-A-PIC-LE-LABEL: .LJTI0_0:
; CHECK-A-PIC-LE: .long .LBB0_6-.LJTI0_0
;
; CHECK-R-PIC-LE-LABEL: .LJTI0_0:
; CHECK-R-PIC-LE: .long .LBB0_6-.LJTI0_0
;
; CHECK-A-PIC-BE-LABEL: .LJTI0_0:
; CHECK-A-PIC-BE: .long .LBB0_9-.LJTI0_0
;
; CHECK-R-PIC-BE-LABEL: .LJTI0_0:
; CHECK-R-PIC-BE: .long .LBB0_9-.LJTI0_0
;
; CHECK-A-PIC-AIX-LABEL: L..JTI0_0:
; CHECK-A-PIC-AIX: .vbyte 4, L..BB0_9-L..JTI0_0
;
; CHECK-R-PIC-AIX-LABEL: L..JTI0_0:
; CHECK-R-PIC-AIX: .vbyte 4, L..BB0_9-L..JTI0_0
;
; CHECK-A-STATIC-LE-LABEL: .LJTI0_0:
; CHECK-A-STATIC-LE: .quad .LBB0_6
;
; CHECK-R-STATIC-LE-LABEL: .LJTI0_0:
; CHECK-R-STATIC-LE: .long .LBB0_6-.LJTI0_0
;
; CHECK-A-STATIC-BE-LABEL: .LJTI0_0:
; CHECK-A-STATIC-BE: .quad .LBB0_9
;
; CHECK-R-STATIC-BE-LABEL: .LJTI0_0:
; CHECK-R-STATIC-BE: .long .LBB0_9-.LJTI0_0
entry:
%cmp36 = icmp eq ptr %list, null
br i1 %cmp36, label %while.end, label %while.body
while.body: ; preds = %entry, %sw.epilog
%result.038 = phi i32 [ %result.1, %sw.epilog ], [ 0, %entry ]
%current.037 = phi ptr [ %spec.store.select, %sw.epilog ], [ %list, %entry ]
%next1 = getelementptr inbounds %struct.node, ptr %current.037, i64 0, i32 1
%0 = load ptr, ptr %next1, align 8
%cmp2 = icmp eq ptr %0, %current.037
%spec.store.select = select i1 %cmp2, ptr null, ptr %0
%1 = load i8, ptr %current.037, align 8
switch i8 %1, label %sw.epilog [
i8 1, label %sw.bb
i8 2, label %sw.bb3
i8 3, label %sw.bb5
i8 4, label %sw.bb7
i8 5, label %sw.bb9
i8 6, label %sw.bb11
i8 7, label %sw.bb13
i8 8, label %sw.bb15
i8 9, label %sw.bb17
]
sw.bb: ; preds = %while.body
%add = add nsw i32 %result.038, 13
br label %sw.epilog
sw.bb3: ; preds = %while.body
%add4 = add nsw i32 %result.038, 5
br label %sw.epilog
sw.bb5: ; preds = %while.body
%add6 = add nsw i32 %result.038, 2
br label %sw.epilog
sw.bb7: ; preds = %while.body
%add8 = add nsw i32 %result.038, 7
br label %sw.epilog
sw.bb9: ; preds = %while.body
%add10 = add nsw i32 %result.038, 11
br label %sw.epilog
sw.bb11: ; preds = %while.body
%add12 = add nsw i32 %result.038, 17
br label %sw.epilog
sw.bb13: ; preds = %while.body
%add14 = add nsw i32 %result.038, 16
br label %sw.epilog
sw.bb15: ; preds = %while.body
%add16 = add nsw i32 %result.038, 81
br label %sw.epilog
sw.bb17: ; preds = %while.body
%add18 = add nsw i32 %result.038, 72
br label %sw.epilog
sw.epilog: ; preds = %while.body, %sw.bb17, %sw.bb15, %sw.bb13, %sw.bb11, %sw.bb9, %sw.bb7, %sw.bb5, %sw.bb3, %sw.bb
%result.1 = phi i32 [ %result.038, %while.body ], [ %add18, %sw.bb17 ], [ %add16, %sw.bb15 ], [ %add14, %sw.bb13 ], [ %add12, %sw.bb11 ], [ %add10, %sw.bb9 ], [ %add8, %sw.bb7 ], [ %add6, %sw.bb5 ], [ %add4, %sw.bb3 ], [ %add, %sw.bb ]
%cmp = icmp eq ptr %spec.store.select, null
br i1 %cmp, label %while.end, label %while.body
while.end: ; preds = %sw.epilog, %entry
%result.0.lcssa = phi i32 [ 0, %entry ], [ %result.1, %sw.epilog ]
ret i32 %result.0.lcssa
}
|
