blob: 83277c98989d0d12b366ec05d53e9605cb0da97f [file] [log] [blame]
Manman Rencf104462012-08-24 18:14:27 +00001; RUN: llc < %s -print-machineinstrs=expand-isel-pseudos -o /dev/null 2>&1 | FileCheck %s
2
Tim Northover3ef452e2014-05-30 10:56:12 +00003; ARM & AArch64 run an extra SimplifyCFG which disrupts this test.
4; XFAIL: arm,aarch64
5
Manman Rencf104462012-08-24 18:14:27 +00006; Make sure we have the correct weight attached to each successor.
7define i32 @test2(i32 %x) nounwind uwtable readnone ssp {
8; CHECK: Machine code for function test2:
9entry:
10 %conv = sext i32 %x to i64
11 switch i64 %conv, label %return [
12 i64 0, label %sw.bb
13 i64 1, label %sw.bb
14 i64 4, label %sw.bb
15 i64 5, label %sw.bb1
16 ], !prof !0
17; CHECK: BB#0: derived from LLVM BB %entry
18; CHECK: Successors according to CFG: BB#2(64) BB#4(14)
19; CHECK: BB#4: derived from LLVM BB %entry
Hans Wennborg67c03752015-04-27 23:35:22 +000020; CHECK: Successors according to CFG: BB#1(10) BB#5(4)
Manman Rencf104462012-08-24 18:14:27 +000021; CHECK: BB#5: derived from LLVM BB %entry
Hans Wennborg67c03752015-04-27 23:35:22 +000022; CHECK: Successors according to CFG: BB#1(4) BB#3(7)
Manman Rencf104462012-08-24 18:14:27 +000023
24sw.bb:
25 br label %return
26
27sw.bb1:
28 br label %return
29
30return:
31 %retval.0 = phi i32 [ 5, %sw.bb1 ], [ 1, %sw.bb ], [ 0, %entry ]
32 ret i32 %retval.0
33}
34
Duncan P. N. Exon Smithbe7ea192014-12-15 19:07:53 +000035!0 = !{!"branch_weights", i32 7, i32 6, i32 4, i32 4, i32 64}