1;; A parameter list long enough to put one parameter on the stack, plus 2;; at least one float parameter, triggered a corner case that messed up 3;; setting prologue_end. 4;; 5;; Generated using -gmlt from this source: 6;; void call_7i_1f (char c1, float f1, char c2, char c3, char c4, char c5, char c6, short s) 7;; { 8;; c1 = 'a'; f1 = 0.1; c2 = 5; c3 = 6; c4 = 7; 9;; c5 = 's'; c6 = 'f'; s = 77; 10;; } 11 12; RUN: llc -mtriple x86_64-- -fast-isel < %s | FileCheck %s 13 14define dso_local void @call_7i_1f(i8 signext %c1, float %f1, i8 signext %c2, i8 signext %c3, i8 signext %c4, i8 signext %c5, i8 signext %c6, i16 signext %s) !dbg !7 { 15entry: 16 %c1.addr = alloca i8, align 1 17 %f1.addr = alloca float, align 4 18 %c2.addr = alloca i8, align 1 19 %c3.addr = alloca i8, align 1 20 %c4.addr = alloca i8, align 1 21 %c5.addr = alloca i8, align 1 22 %c6.addr = alloca i8, align 1 23 %s.addr = alloca i16, align 2 24 store i8 %c1, i8* %c1.addr, align 1 25 store float %f1, float* %f1.addr, align 4 26 store i8 %c2, i8* %c2.addr, align 1 27 store i8 %c3, i8* %c3.addr, align 1 28 store i8 %c4, i8* %c4.addr, align 1 29 store i8 %c5, i8* %c5.addr, align 1 30 store i8 %c6, i8* %c6.addr, align 1 31 store i16 %s, i16* %s.addr, align 2 32 store i8 97, i8* %c1.addr, align 1, !dbg !9 33 store float 0x3FB99999A0000000, float* %f1.addr, align 4, !dbg !10 34 store i8 5, i8* %c2.addr, align 1, !dbg !11 35 store i8 6, i8* %c3.addr, align 1, !dbg !12 36 store i8 7, i8* %c4.addr, align 1, !dbg !13 37 store i8 115, i8* %c5.addr, align 1, !dbg !14 38 store i8 102, i8* %c6.addr, align 1, !dbg !15 39 store i16 77, i16* %s.addr, align 2, !dbg !16 40 ret void, !dbg !17 41} 42 43;; All incoming parameter registers should be homed as part of the prologue. 44; CHECK-DAG: %dil 45; CHECK-DAG: %xmm0 46; CHECK-DAG: %sil 47; CHECK-DAG: %dl 48; CHECK-DAG: %cl 49; CHECK-DAG: %r8b 50; CHECK-DAG: %r9b 51; CHECK: prologue_end 52 53!llvm.dbg.cu = !{!0} 54!llvm.module.flags = !{!3, !4, !5} 55!llvm.ident = !{!6} 56 57!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, splitDebugInlining: false, nameTableKind: None) 58!1 = !DIFile(filename: "fast-isel-prolog-dbgloc.c", directory: "/home/probinson/projects/scratch") 59!2 = !{} 60!3 = !{i32 7, !"Dwarf Version", i32 4} 61!4 = !{i32 2, !"Debug Info Version", i32 3} 62!5 = !{i32 1, !"wchar_size", i32 4} 63!6 = !{!"clang version 12.0.0"} 64!7 = distinct !DISubprogram(name: "call_7i_1f", scope: !1, file: !1, line: 3, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 65!8 = !DISubroutineType(types: !2) 66!9 = !DILocation(line: 5, column: 6, scope: !7) 67!10 = !DILocation(line: 5, column: 16, scope: !7) 68!11 = !DILocation(line: 5, column: 26, scope: !7) 69!12 = !DILocation(line: 5, column: 34, scope: !7) 70!13 = !DILocation(line: 5, column: 42, scope: !7) 71!14 = !DILocation(line: 6, column: 6, scope: !7) 72!15 = !DILocation(line: 6, column: 16, scope: !7) 73!16 = !DILocation(line: 6, column: 25, scope: !7) 74!17 = !DILocation(line: 7, column: 1, scope: !7) 75