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1; RUN: llc -verify-machineinstrs -mcpu=pwr7 -ppc-min-jump-table-entries=4 -code-model=medium <%s | FileCheck %s2; RUN: llc -verify-machineinstrs -mcpu=pwr7 -ppc-min-jump-table-entries=4 -code-model=large <%s | FileCheck -check-prefix=LARGE %s3 4; Test correct code generation for medium and large code model5; for loading the address of a jump table from the TOC.6 7target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"8target triple = "powerpc64-unknown-linux-gnu"9 10define signext i32 @test_jump_table(i32 signext %i) nounwind {11entry:12 %i.addr = alloca i32, align 413 store i32 %i, ptr %i.addr, align 414 %0 = load i32, ptr %i.addr, align 415 switch i32 %0, label %sw.default [16 i32 3, label %sw.bb17 i32 4, label %sw.bb118 i32 5, label %sw.bb219 i32 6, label %sw.bb320 ]21 22sw.default: ; preds = %entry23 br label %sw.epilog24 25sw.bb: ; preds = %entry26 %1 = load i32, ptr %i.addr, align 427 %mul = mul nsw i32 %1, 728 store i32 %mul, ptr %i.addr, align 429 br label %sw.bb130 31sw.bb1: ; preds = %entry, %sw.bb32 %2 = load i32, ptr %i.addr, align 433 %dec = add nsw i32 %2, -134 store i32 %dec, ptr %i.addr, align 435 br label %sw.bb236 37sw.bb2: ; preds = %entry, %sw.bb138 %3 = load i32, ptr %i.addr, align 439 %add = add nsw i32 %3, 340 store i32 %add, ptr %i.addr, align 441 br label %sw.bb342 43sw.bb3: ; preds = %entry, %sw.bb244 %4 = load i32, ptr %i.addr, align 445 %shl = shl i32 %4, 146 store i32 %shl, ptr %i.addr, align 447 br label %sw.epilog48 49sw.epilog: ; preds = %sw.bb3, %sw.default50 %5 = load i32, ptr %i.addr, align 451 ret i32 %552}53; CHECK-LABEL: test_jump_table:54; CHECK-NOT: bcl 20, 31, .L0$pb55 56; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha57; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])58; CHECK: lwax [[REG3:[0-9]+]], [[REG2]], {{[0-9]+}}59; CHECK-NEXT: add [[REG4:[0-9]+]], [[REG2]], [[REG3]]60; CHECK-NEXT: mtctr [[REG4]]61; CHECK-NEXT: bctr62 63; CHECK-LABEL: .LJTI0_0:64; CHECK-NEXT: .long .LBB0_{{[0-9]+}}-.LJTI0_065 66; LARGE-LABEL: test_jump_table:67; LARGE: bcl 20, 31, .L0$pb68; LARGE-NEXT: .L0$pb:69; LARGE: mflr [[REGBASE:[0-9]+]]70 71; LARGE: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha72; LARGE: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])73; LARGE: lwax [[REG3:[0-9]+]], [[REG2]], {{[0-9]+}}74; LARGE-NEXT: add [[REG4:[0-9]+]], [[REGBASE]], [[REG3]]75; LARGE-NEXT: mtctr [[REG4]]76; LARGE-NEXT: bctr77 78; LARGE-LABEL: .LJTI0_0:79; LARGE-NEXT: .long .LBB0_{{[0-9]+}}-.L0$pb80